llvm::APFloatBase Class Reference

#include "llvm/ADT/APFloat.h"

Inheritance diagram for llvm::APFloatBase:

Public Types
enum	cmpResult { cmpLessThan , cmpEqual , cmpGreaterThan , cmpUnordered }
	IEEE-754R 5.11: Floating Point Comparison Relations. More...
enum	opStatus {   opOK = 0x00 , opInvalidOp = 0x01 , opDivByZero = 0x02 , opOverflow = 0x04 ,   opUnderflow = 0x08 , opInexact = 0x10 }
	IEEE-754R 7: Default exception handling. More...
enum	fltCategory { fcInfinity , fcNaN , fcNormal , fcZero }
	Category of internally-represented number. More...
enum	uninitializedTag { uninitialized }
	Convenience enum used to construct an uninitialized APFloat. More...
enum	IlogbErrorKinds { IEK_Zero = INT_MIN + 1 , IEK_NaN = INT_MIN , IEK_Inf = INT_MAX }
	Enumeration of ilogb error results. More...
typedef APInt::WordType	integerPart
typedef int32_t	ExponentType
	A signed type to represent a floating point numbers unbiased exponent.
using	roundingMode = llvm::RoundingMode
	IEEE-754R 4.3: Rounding-direction attributes.

Static Public Member Functions
static LLVM_ABI unsigned int	semanticsPrecision (const fltSemantics &)
static LLVM_ABI ExponentType	semanticsMinExponent (const fltSemantics &)
static LLVM_ABI ExponentType	semanticsMaxExponent (const fltSemantics &)
static LLVM_ABI unsigned int	semanticsSizeInBits (const fltSemantics &)
static LLVM_ABI unsigned int	semanticsIntSizeInBits (const fltSemantics &, bool)
static LLVM_ABI bool	semanticsHasZero (const fltSemantics &)
static LLVM_ABI bool	semanticsHasSignedRepr (const fltSemantics &)
static LLVM_ABI bool	semanticsHasInf (const fltSemantics &)
static LLVM_ABI bool	semanticsHasNaN (const fltSemantics &)
static LLVM_ABI bool	isIEEELikeFP (const fltSemantics &)
static LLVM_ABI bool	hasSignBitInMSB (const fltSemantics &)
static LLVM_ABI bool	isRepresentableAsNormalIn (const fltSemantics &Src, const fltSemantics &Dst)
static LLVM_ABI unsigned	getSizeInBits (const fltSemantics &Sem)
	Returns the size of the floating point number (in bits) in the given semantics.

Static Public Attributes
static constexpr unsigned	integerPartWidth = APInt::APINT_BITS_PER_WORD
static constexpr roundingMode	rmNearestTiesToEven
static constexpr roundingMode	rmTowardPositive = RoundingMode::TowardPositive
static constexpr roundingMode	rmTowardNegative = RoundingMode::TowardNegative
static constexpr roundingMode	rmTowardZero = RoundingMode::TowardZero
static constexpr roundingMode	rmNearestTiesToAway

Floating Point Semantics.
enum	Semantics {   S_IEEEhalf , S_BFloat , S_IEEEsingle , S_IEEEdouble ,   S_IEEEquad , S_PPCDoubleDouble , S_PPCDoubleDoubleLegacy , S_Float8E5M2 ,   S_Float8E5M2FNUZ , S_Float8E4M3 , S_Float8E4M3FN , S_Float8E4M3FNUZ ,   S_Float8E4M3B11FNUZ , S_Float8E3M4 , S_FloatTF32 , S_Float8E8M0FNU ,   S_Float6E3M2FN , S_Float6E2M3FN , S_Float4E2M1FN , S_x87DoubleExtended ,   S_MaxSemantics = S_x87DoubleExtended }
class	detail::IEEEFloat
class	detail::DoubleAPFloat
class	APFloat
static LLVM_ABI const llvm::fltSemantics &	EnumToSemantics (Semantics S)
static LLVM_ABI Semantics	SemanticsToEnum (const llvm::fltSemantics &Sem)
static const fltSemantics &	IEEEhalf ()
static const fltSemantics &	BFloat ()
static const fltSemantics &	IEEEsingle ()
static const fltSemantics &	IEEEdouble ()
static const fltSemantics &	IEEEquad ()
static const fltSemantics &	PPCDoubleDouble ()
static const fltSemantics &	PPCDoubleDoubleLegacy ()
static const fltSemantics &	Float8E5M2 ()
static const fltSemantics &	Float8E5M2FNUZ ()
static const fltSemantics &	Float8E4M3 ()
static const fltSemantics &	Float8E4M3FN ()
static const fltSemantics &	Float8E4M3FNUZ ()
static const fltSemantics &	Float8E4M3B11FNUZ ()
static const fltSemantics &	Float8E3M4 ()
static const fltSemantics &	FloatTF32 ()
static const fltSemantics &	Float8E8M0FNU ()
static const fltSemantics &	Float6E3M2FN ()
static const fltSemantics &	Float6E2M3FN ()
static const fltSemantics &	Float4E2M1FN ()
static const fltSemantics &	x87DoubleExtended ()
static const fltSemantics &	Bogus ()
	A Pseudo fltsemantic used to construct APFloats that cannot conflict with anything real.
static LLVM_ABI bool	isRepresentableBy (const fltSemantics &A, const fltSemantics &B)

Detailed Description

Definition at line 149 of file APFloat.h.

Member Typedef Documentation

ExponentType

typedef int32_t llvm::APFloatBase::ExponentType

A signed type to represent a floating point numbers unbiased exponent.

Definition at line 155 of file APFloat.h.

integerPart

typedef APInt::WordType llvm::APFloatBase::integerPart

Definition at line 151 of file APFloat.h.

roundingMode

using llvm::APFloatBase::roundingMode = llvm::RoundingMode

IEEE-754R 4.3: Rounding-direction attributes.

Definition at line 342 of file APFloat.h.

Member Enumeration Documentation

cmpResult

enum llvm::APFloatBase::cmpResult

IEEE-754R 5.11: Floating Point Comparison Relations.

Enumerator
cmpLessThan
cmpEqual
cmpGreaterThan
cmpUnordered

Definition at line 334 of file APFloat.h.

fltCategory

enum llvm::APFloatBase::fltCategory

Category of internally-represented number.

Enumerator
fcInfinity
fcNaN
fcNormal
fcZero

Definition at line 370 of file APFloat.h.

IlogbErrorKinds

enum llvm::APFloatBase::IlogbErrorKinds

Enumeration of ilogb error results.

Enumerator
IEK_Zero
IEK_NaN
IEK_Inf

Definition at line 383 of file APFloat.h.

opStatus

enum llvm::APFloatBase::opStatus

IEEE-754R 7: Default exception handling.

opUnderflow or opOverflow are always returned or-ed with opInexact.

APFloat models this behavior specified by IEEE-754: "For operations producing results in floating-point format, the default result of an operation that signals the invalid operation exception shall be a quiet NaN."

Enumerator
opOK
opInvalidOp
opDivByZero
opOverflow
opUnderflow
opInexact

Definition at line 360 of file APFloat.h.

Semantics

enum llvm::APFloatBase::Semantics

Enumerator
S_IEEEhalf
S_BFloat
S_IEEEsingle
S_IEEEdouble
S_IEEEquad
S_PPCDoubleDouble
S_PPCDoubleDoubleLegacy
S_Float8E5M2
S_Float8E5M2FNUZ
S_Float8E4M3
S_Float8E4M3FN
S_Float8E4M3FNUZ
S_Float8E4M3B11FNUZ
S_Float8E3M4
S_FloatTF32
S_Float8E8M0FNU
S_Float6E3M2FN
S_Float6E2M3FN
S_Float4E2M1FN
S_x87DoubleExtended
S_MaxSemantics

Definition at line 159 of file APFloat.h.

uninitializedTag

enum llvm::APFloatBase::uninitializedTag

Convenience enum used to construct an uninitialized APFloat.

Enumerator
uninitialized

Definition at line 378 of file APFloat.h.

Member Function Documentation

BFloat()

const fltSemantics & llvm::APFloatBase::BFloat ( )

inlinestatic

Definition at line 295 of file APFloat.h.

Referenced by EnumToSemantics(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::ConstantDataSequential::getElementAsAPFloat(), llvm::MVT::getFltSemantics(), getOpFltSemantics(), llvm::ConstantFP::isValueValidForType(), llvm::NVPTXFloatMCExpr::printImpl(), llvm::APFixedPoint::promoteFloatSemantics(), SemanticsToEnum(), shrinkFPConstant(), writeAPFloatInternal(), and llvm::X86TargetLowering::X86TargetLowering().

Bogus()

const fltSemantics & llvm::APFloatBase::Bogus ( )

inlinestatic

A Pseudo fltsemantic used to construct APFloats that cannot conflict with anything real.

Definition at line 323 of file APFloat.h.

Referenced by llvm::DenseMapInfo< APFloat >::getEmptyKey(), and llvm::DenseMapInfo< APFloat >::getTombstoneKey().

EnumToSemantics()

const llvm::fltSemantics & llvm::APFloatBase::EnumToSemantics ( Semantics S )

static

Definition at line 174 of file APFloat.cpp.

References BFloat(), Float4E2M1FN(), Float6E2M3FN(), Float6E3M2FN(), Float8E3M4(), Float8E4M3(), Float8E4M3B11FNUZ(), Float8E4M3FN(), Float8E4M3FNUZ(), Float8E5M2(), Float8E5M2FNUZ(), Float8E8M0FNU(), FloatTF32(), IEEEdouble(), IEEEhalf(), IEEEquad(), IEEEsingle(), llvm_unreachable, PPCDoubleDouble(), PPCDoubleDoubleLegacy(), S_BFloat, S_Float4E2M1FN, S_Float6E2M3FN, S_Float6E3M2FN, S_Float8E3M4, S_Float8E4M3, S_Float8E4M3B11FNUZ, S_Float8E4M3FN, S_Float8E4M3FNUZ, S_Float8E5M2, S_Float8E5M2FNUZ, S_Float8E8M0FNU, S_FloatTF32, S_IEEEdouble, S_IEEEhalf, S_IEEEquad, S_IEEEsingle, S_PPCDoubleDouble, S_PPCDoubleDoubleLegacy, S_x87DoubleExtended, and x87DoubleExtended().

Float4E2M1FN()

const fltSemantics & llvm::APFloatBase::Float4E2M1FN ( )

inlinestatic

Definition at line 316 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float6E2M3FN()

const fltSemantics & llvm::APFloatBase::Float6E2M3FN ( )

inlinestatic

Definition at line 315 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float6E3M2FN()

const fltSemantics & llvm::APFloatBase::Float6E3M2FN ( )

inlinestatic

Definition at line 314 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E3M4()

const fltSemantics & llvm::APFloatBase::Float8E3M4 ( )

inlinestatic

Definition at line 311 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E4M3()

const fltSemantics & llvm::APFloatBase::Float8E4M3 ( )

inlinestatic

Definition at line 305 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E4M3B11FNUZ()

const fltSemantics & llvm::APFloatBase::Float8E4M3B11FNUZ ( )

inlinestatic

Definition at line 308 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E4M3FN()

const fltSemantics & llvm::APFloatBase::Float8E4M3FN ( )

inlinestatic

Definition at line 306 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E4M3FNUZ()

const fltSemantics & llvm::APFloatBase::Float8E4M3FNUZ ( )

inlinestatic

Definition at line 307 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E5M2()

const fltSemantics & llvm::APFloatBase::Float8E5M2 ( )

inlinestatic

Definition at line 303 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E5M2FNUZ()

const fltSemantics & llvm::APFloatBase::Float8E5M2FNUZ ( )

inlinestatic

Definition at line 304 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

Float8E8M0FNU()

const fltSemantics & llvm::APFloatBase::Float8E8M0FNU ( )

inlinestatic

Definition at line 313 of file APFloat.h.

Referenced by EnumToSemantics(), llvm::APFloat::hasSignificand(), and SemanticsToEnum().

FloatTF32()

const fltSemantics & llvm::APFloatBase::FloatTF32 ( )

inlinestatic

Definition at line 312 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

getSizeInBits()

unsigned llvm::APFloatBase::getSizeInBits ( const fltSemantics & Sem )

static

Returns the size of the floating point number (in bits) in the given semantics.

Definition at line 360 of file APFloat.cpp.

References llvm::fltSemantics::sizeInBits.

Referenced by llvm::MachineIRBuilder::buildFConstant().

hasSignBitInMSB()

bool llvm::APFloatBase::hasSignBitInMSB ( const fltSemantics & semantics )

static

Definition at line 342 of file APFloat.cpp.

References llvm::fltSemantics::hasSignBitInMSB.

Referenced by llvm::InstCombinerImpl::visitAnd(), llvm::InstCombinerImpl::visitOr(), and llvm::InstCombinerImpl::visitXor().

IEEEdouble()

const fltSemantics & llvm::APFloatBase::IEEEdouble ( )

inlinestatic

Definition at line 297 of file APFloat.h.

Referenced by llvm::APFloat::APFloat(), combineBitcast(), constantFoldFpUnary(), convertIntToDoubleImm(), emitDebugValueComment(), EnumToSemantics(), fixFuncEntryCount(), llvm::SelectionDAG::FoldConstantArithmetic(), getConstantVector(), getConstantVector(), llvm::ConstantDataSequential::getElementAsAPFloat(), llvm::getFltSemanticForLLT(), getFltSemantics(), llvm::MVT::getFltSemantics(), llvm::RISCVLoadFPImm::getLoadFPImm(), getOneFP(), getOpFltSemantics(), getZeroFP(), isInv2Pi(), isInv2Pi(), llvm::ConstantFP::isValueValidForType(), llvm::AMDGPULegalizerInfo::legalizeFroundeven(), llvm::AMDGPULegalizerInfo::legalizeRsqClampIntrinsic(), LLVMConstRealGetDouble(), llvm::LegalizerHelper::lowerFPTOUI(), llvm::AMDGPUTargetLowering::LowerFROUNDEVEN(), llvm::ARMAsmPrinter::lowerOperand(), LowerUINT_TO_FP_i64(), lowerUINT_TO_FP_vXi32(), llvm::SDNode::print_details(), llvm::NVPTXFloatMCExpr::printImpl(), llvm::WebAssemblyInstPrinter::printOperand(), llvm::APFixedPoint::promoteFloatSemantics(), SemanticsToEnum(), shrinkFPConstant(), and writeAPFloatInternal().

IEEEhalf()

const fltSemantics & llvm::APFloatBase::IEEEhalf ( )

inlinestatic

Definition at line 294 of file APFloat.h.

Referenced by canSafelyConvertTo16Bit(), convertNvvmIntrinsicToLlvm(), EnumToSemantics(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::getAPFloatFromSize(), getConstantVector(), getConstantVector(), llvm::ConstantDataSequential::getElementAsAPFloat(), llvm::getFltSemanticForLLT(), getFltSemantics(), llvm::MVT::getFltSemantics(), llvm::RISCVLoadFPImm::getLoadFPImm(), getOneFP(), getOpFltSemantics(), getZeroFP(), llvm::GCNTTIImpl::instCombineIntrinsic(), isFPExtFromF16OrConst(), isInv2Pi(), isInv2Pi(), llvm::ConstantFP::isValueValidForType(), matchFPExtFromF16(), llvm::NVPTXFloatMCExpr::printImpl(), llvm::APFixedPoint::promoteFloatSemantics(), SemanticsToEnum(), shrinkFPConstant(), strictFPExtFromF16(), writeAPFloatInternal(), and llvm::X86TargetLowering::X86TargetLowering().

IEEEquad()

const fltSemantics & llvm::APFloatBase::IEEEquad ( )

inlinestatic

Definition at line 298 of file APFloat.h.

Referenced by EnumToSemantics(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::getFltSemanticForLLT(), llvm::MVT::getFltSemantics(), llvm::ConstantFP::isValueValidForType(), llvm::APFixedPoint::promoteFloatSemantics(), SemanticsToEnum(), llvm::SystemZVectorConstantInfo::SystemZVectorConstantInfo(), writeAPFloatInternal(), and llvm::X86TargetLowering::X86TargetLowering().

IEEEsingle()

const fltSemantics & llvm::APFloatBase::IEEEsingle ( )

inlinestatic

Definition at line 296 of file APFloat.h.

Referenced by llvm::APFloat::APFloat(), llvm::checkConvertToNonDenormSingle(), convertNvvmIntrinsicToLlvm(), llvm::convertToNonDenormSingle(), EnumToSemantics(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::generateReadImageInst(), getConstantVector(), getConstantVector(), llvm::ConstantDataSequential::getElementAsAPFloat(), getF32Constant(), llvm::getFltSemanticForLLT(), getFltSemantics(), llvm::MVT::getFltSemantics(), llvm::RISCVLoadFPImm::getLoadFPImm(), getOneFP(), getOpFltSemantics(), llvm::AMDGPULegalizerInfo::getScaledLogInput(), llvm::AMDGPUTargetLowering::getScaledLogInput(), getZeroFP(), llvm::Attributor::identifyDefaultAbstractAttributes(), isInv2Pi(), isInv2Pi(), llvm::ConstantFP::isValueValidForType(), llvm::AMDGPULegalizerInfo::legalizeFExp(), llvm::AMDGPULegalizerInfo::legalizeFlogCommon(), llvm::AMDGPULegalizerInfo::legalizeRsqClampIntrinsic(), llvm::AMDGPUTargetLowering::lowerFEXP(), llvm::LegalizerHelper::lowerFPTOUI(), lowerUINT_TO_FP_vXi32(), llvm::AMDGPUTargetLowering::needsDenormHandlingF32(), needsDenormHandlingF32(), llvm::SDNode::print_details(), llvm::NVPTXFloatMCExpr::printImpl(), llvm::WebAssemblyInstPrinter::printOperand(), llvm::APFixedPoint::promoteFloatSemantics(), SemanticsToEnum(), shrinkFPConstant(), llvm::pdb::Variant::toAPFloat(), llvm::NVPTXTargetLowering::useF32FTZ(), valueHasFloatPrecision(), and writeAPFloatInternal().

isIEEELikeFP()

bool llvm::APFloatBase::isIEEELikeFP ( const fltSemantics & semantics )

static

Definition at line 337 of file APFloat.cpp.

References S_IEEEquad, and SemanticsToEnum().

isRepresentableAsNormalIn()

bool llvm::APFloatBase::isRepresentableAsNormalIn ( const fltSemantics & Src, const fltSemantics & Dst )

static

Definition at line 346 of file APFloat.cpp.

Referenced by computeKnownFPClass().

isRepresentableBy()

bool llvm::APFloatBase::isRepresentableBy ( const fltSemantics & A, const fltSemantics & B )

static

Definition at line 266 of file APFloat.cpp.

References A(), and B().

Referenced by llvm::APFloat::convertToDouble(), and llvm::APFloat::convertToFloat().

PPCDoubleDouble()

const fltSemantics & llvm::APFloatBase::PPCDoubleDouble ( )

inlinestatic

Definition at line 299 of file APFloat.h.

Referenced by EnumToSemantics(), llvm::detail::frexp(), llvm::MVT::getFltSemantics(), llvm::ConstantFP::isValueValidForType(), llvm::detail::scalbn(), SemanticsToEnum(), and writeAPFloatInternal().

PPCDoubleDoubleLegacy()

const fltSemantics & llvm::APFloatBase::PPCDoubleDoubleLegacy ( )

inlinestatic

Definition at line 300 of file APFloat.h.

Referenced by EnumToSemantics(), and SemanticsToEnum().

semanticsHasInf()

bool llvm::APFloatBase::semanticsHasInf ( const fltSemantics & semantics )

static

Definition at line 329 of file APFloat.cpp.

References llvm::IEEE754, and llvm::fltSemantics::nonFiniteBehavior.

semanticsHasNaN()

bool llvm::APFloatBase::semanticsHasNaN ( const fltSemantics & semantics )

static

Definition at line 333 of file APFloat.cpp.

References llvm::FiniteOnly, and llvm::fltSemantics::nonFiniteBehavior.

semanticsHasSignedRepr()

bool llvm::APFloatBase::semanticsHasSignedRepr ( const fltSemantics & semantics )

static

Definition at line 325 of file APFloat.cpp.

References llvm::fltSemantics::hasSignedRepr.

semanticsHasZero()

bool llvm::APFloatBase::semanticsHasZero ( const fltSemantics & semantics )

static

Definition at line 321 of file APFloat.cpp.

References llvm::fltSemantics::hasZero.

semanticsIntSizeInBits()

unsigned int llvm::APFloatBase::semanticsIntSizeInBits ( const fltSemantics & semantics, bool isSigned )

static

Definition at line 310 of file APFloat.cpp.

References isSigned(), and semanticsMaxExponent().

Referenced by canEvaluateTruncated(), and isSaturatingMinMax().

semanticsMaxExponent()

APFloatBase::ExponentType llvm::APFloatBase::semanticsMaxExponent ( const fltSemantics & semantics )

static

Definition at line 300 of file APFloat.cpp.

References llvm::fltSemantics::maxExponent.

Referenced by llvm::FunctionComparator::cmpAPFloats(), and semanticsIntSizeInBits().

semanticsMinExponent()

APFloatBase::ExponentType llvm::APFloatBase::semanticsMinExponent ( const fltSemantics & semantics )

static

Definition at line 304 of file APFloat.cpp.

References llvm::fltSemantics::minExponent.

Referenced by llvm::FunctionComparator::cmpAPFloats().

semanticsPrecision()

unsigned int llvm::APFloatBase::semanticsPrecision ( const fltSemantics & semantics )

static

Definition at line 296 of file APFloat.cpp.

References llvm::fltSemantics::precision.

Referenced by CastIntSETCCtoFP(), llvm::FunctionComparator::cmpAPFloats(), computeKnownFPClass(), FoldIntToFPToInt(), getEstimate(), lowerFTRUNC_FCEIL_FFLOOR_FROUND(), lowerVectorFTRUNC_FCEIL_FFLOOR_FROUND(), lowerVectorStrictFTRUNC_FCEIL_FFLOOR_FROUND(), and llvm::detail::IEEEFloat::roundToIntegral().

semanticsSizeInBits()

unsigned int llvm::APFloatBase::semanticsSizeInBits ( const fltSemantics & semantics )

static

Definition at line 307 of file APFloat.cpp.

References llvm::fltSemantics::sizeInBits.

Referenced by llvm::FunctionComparator::cmpAPFloats().

SemanticsToEnum()

APFloatBase::Semantics llvm::APFloatBase::SemanticsToEnum ( const llvm::fltSemantics & Sem )

static

Definition at line 221 of file APFloat.cpp.

References BFloat(), Float4E2M1FN(), Float6E2M3FN(), Float6E3M2FN(), Float8E3M4(), Float8E4M3(), Float8E4M3B11FNUZ(), Float8E4M3FN(), Float8E4M3FNUZ(), Float8E5M2(), Float8E5M2FNUZ(), Float8E8M0FNU(), FloatTF32(), IEEEdouble(), IEEEhalf(), IEEEquad(), IEEEsingle(), llvm_unreachable, PPCDoubleDouble(), PPCDoubleDoubleLegacy(), S_BFloat, S_Float4E2M1FN, S_Float6E2M3FN, S_Float6E3M2FN, S_Float8E3M4, S_Float8E4M3, S_Float8E4M3B11FNUZ, S_Float8E4M3FN, S_Float8E4M3FNUZ, S_Float8E5M2, S_Float8E5M2FNUZ, S_Float8E8M0FNU, S_FloatTF32, S_IEEEdouble, S_IEEEhalf, S_IEEEquad, S_IEEEsingle, S_PPCDoubleDouble, S_PPCDoubleDoubleLegacy, S_x87DoubleExtended, and x87DoubleExtended().

Referenced by isIEEELikeFP(), and llvm::SIInstrInfo::isInlineConstant().

x87DoubleExtended()

const fltSemantics & llvm::APFloatBase::x87DoubleExtended ( )

inlinestatic

Definition at line 317 of file APFloat.h.

Referenced by EnumToSemantics(), llvm::ExecutionEngine::getConstantValue(), llvm::MVT::getFltSemantics(), llvm::ConstantFP::isValueValidForType(), SemanticsToEnum(), toStringAPFloat(), writeAPFloatInternal(), and llvm::X86TargetLowering::X86TargetLowering().

Friends And Related Symbol Documentation

APFloat

friend class APFloat

friend

Definition at line 291 of file APFloat.h.

References APFloat.

Referenced by APFloat, llvm::APFloat::convert(), and llvm::APFloat::getAllOnesValue().

detail::DoubleAPFloat

friend class detail::DoubleAPFloat

friend

Definition at line 290 of file APFloat.h.

detail::IEEEFloat

friend class detail::IEEEFloat

friend

Definition at line 289 of file APFloat.h.

Member Data Documentation

integerPartWidth

unsigned llvm::APFloatBase::integerPartWidth = APInt::APINT_BITS_PER_WORD

staticconstexpr

Definition at line 152 of file APFloat.h.

Referenced by llvm::lostFractionThroughTruncation(), llvm::partAsHex(), llvm::partCountForBits(), and llvm::ulpsFromBoundary().

rmNearestTiesToAway

RoundingMode llvm::APFloatBase::rmNearestTiesToAway

staticconstexpr

Initial value:

=
                                                RoundingMode::NearestTiesToAway

Definition at line 349 of file APFloat.h.

Referenced by llvm::FixedPointSemantics::fitsInFloatSemantics().

rmNearestTiesToEven

RoundingMode llvm::APFloatBase::rmNearestTiesToEven

staticconstexpr

Initial value:

=
                                                RoundingMode::NearestTiesToEven

Definition at line 344 of file APFloat.h.

Referenced by llvm::APFloat::APFloat(), canLosslesslyConvertToFPType(), llvm::checkConvertToNonDenormSingle(), llvm::ConstantFoldBinaryInstruction(), llvm::ConstantFoldCastInstruction(), llvm::ConstantFoldFPBinOp(), constantFoldFpUnary(), llvm::ConstantFoldIntToFloat(), llvm::APFloat::convertToDouble(), llvm::APFixedPoint::convertToFloat(), llvm::APFloat::convertToFloat(), llvm::convertToNonDenormSingle(), emitDebugValueComment(), llvm::TargetLowering::expandFP_TO_UINT(), fitsInFPType(), fixFuncEntryCount(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::SelectionDAG::foldConstantFPMath(), foldFCmpFpTrunc(), llvm::InstCombinerImpl::foldFCmpIntToFPConst(), foldFrexpOfSelect(), llvm::ConstantFP::get(), llvm::getAPFloatFromSize(), llvm::StringRef::getAsDouble(), llvm::SelectionDAG::getConstantFP(), llvm::ExecutionEngine::getConstantValue(), llvm::nvvm::GetFAddRoundingMode(), llvm::nvvm::GetFDivRoundingMode(), llvm::nvvm::GetFMARoundingMode(), llvm::nvvm::GetFMulRoundingMode(), llvm::nvvm::GetFPToIntegerRoundingMode(), llvm::RISCVLoadFPImm::getLoadFPImm(), llvm::SelectionDAG::getNode(), llvm::nvvm::GetRCPRoundingMode(), llvm::harrisonUlp(), llvm::detail::IEEEFloat::ilogb, llvm::GCNTTIImpl::instCombineIntrinsic(), llvm::APFloat::isExactlyValue(), llvm::ConstantFP::isExactlyValue(), isFPExtFromF16OrConst(), llvm::ConstantFP::isValueValidForType(), llvm::ConstantFPSDNode::isValueValidForType(), LLVMConstRealGetDouble(), llvm::LegalizerHelper::lowerFPTOUI(), LowerFROUND(), lowerFTRUNC_FCEIL_FFLOOR_FROUND(), lowerVectorFTRUNC_FCEIL_FFLOOR_FROUND(), lowerVectorStrictFTRUNC_FCEIL_FFLOOR_FROUND(), llvm::CombinerHelper::matchConstantFoldFMA(), matchFPExtFromF16(), llvm::APFloat::operator*(), llvm::APFloat::operator+(), llvm::APFloat::operator-(), llvm::APFloat::operator/(), llvm::AMDGPUTargetLowering::PerformDAGCombine(), llvm::NVPTXFloatMCExpr::printImpl(), strictFPExtFromF16(), toString(), valueHasFloatPrecision(), llvm::InstCombinerImpl::visitFCmpInst(), writeAPFloatInternal(), and llvm::X86TargetLowering::X86TargetLowering().

rmTowardNegative

RoundingMode llvm::APFloatBase::rmTowardNegative = RoundingMode::TowardNegative

staticconstexpr

Definition at line 347 of file APFloat.h.

Referenced by llvm::SelectionDAG::FoldConstantArithmetic(), llvm::nvvm::GetFAddRoundingMode(), llvm::nvvm::GetFDivRoundingMode(), llvm::nvvm::GetFMARoundingMode(), llvm::nvvm::GetFMulRoundingMode(), llvm::nvvm::GetFPToIntegerRoundingMode(), and llvm::nvvm::GetRCPRoundingMode().

rmTowardPositive

RoundingMode llvm::APFloatBase::rmTowardPositive = RoundingMode::TowardPositive

staticconstexpr

Definition at line 346 of file APFloat.h.

Referenced by llvm::SelectionDAG::FoldConstantArithmetic(), llvm::nvvm::GetFAddRoundingMode(), llvm::nvvm::GetFDivRoundingMode(), llvm::nvvm::GetFMARoundingMode(), llvm::nvvm::GetFMulRoundingMode(), llvm::nvvm::GetFPToIntegerRoundingMode(), and llvm::nvvm::GetRCPRoundingMode().

rmTowardZero

RoundingMode llvm::APFloatBase::rmTowardZero = RoundingMode::TowardZero

staticconstexpr

Definition at line 348 of file APFloat.h.

Referenced by canSafelyConvertTo16Bit(), checkCVTFixedPointOperandWithFBits(), llvm::ConstantFoldCastInstruction(), llvm::APFixedPoint::convertToFloat(), ConvertToSInt(), llvm::TargetLowering::expandFP_TO_INT_SAT(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::InstCombinerImpl::foldFCmpIntToFPConst(), llvm::BuildVectorSDNode::getConstantFPSplatPow2ToLog2Int(), llvm::ExecutionEngine::getConstantValue(), llvm::APFloat::getExactInverse(), llvm::nvvm::GetFAddRoundingMode(), llvm::nvvm::GetFDivRoundingMode(), llvm::nvvm::GetFMARoundingMode(), llvm::nvvm::GetFMulRoundingMode(), llvm::nvvm::GetFPToIntegerRoundingMode(), llvm::APFixedPoint::getFromFloatValue(), llvm::nvvm::GetRCPRoundingMode(), llvm::GCNTTIImpl::instCombineIntrinsic(), llvm::PPCTargetLowering::isFPImmLegal(), llvm::LegalizerHelper::lowerFPTOINT_SAT(), llvm::ARMAsmPrinter::lowerOperand(), and PerformVMulVCTPCombine().

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

• include/llvm/ADT/APFloat.h
• lib/Support/APFloat.cpp