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[APFloat] Inline static getters #163794

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Merged
merged 1 commit into from
Oct 18, 2025
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[APFloat] Inline static getters #163794

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84 changes: 62 additions & 22 deletions llvm/include/llvm/ADT/APFloat.h
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Original file line number Diff line number Diff line change
Expand Up @@ -138,10 +138,16 @@ enum lostFraction { // Example of truncated bits:
/// New operations: sqrt, IEEE remainder, C90 fmod, nexttoward.
///

namespace detail {
class IEEEFloat;
class DoubleAPFloat;
} // namespace detail

// This is the common type definitions shared by APFloat and its internal
// implementation classes. This struct should not define any non-static data
// members.
struct APFloatBase {
class APFloatBase {
public:
typedef APInt::WordType integerPart;
static constexpr unsigned integerPartWidth = APInt::APINT_BITS_PER_WORD;

Expand Down Expand Up @@ -257,30 +263,64 @@ struct APFloatBase {
LLVM_ABI static const llvm::fltSemantics &EnumToSemantics(Semantics S);
LLVM_ABI static Semantics SemanticsToEnum(const llvm::fltSemantics &Sem);

LLVM_ABI static const fltSemantics &IEEEhalf() LLVM_READNONE;
LLVM_ABI static const fltSemantics &BFloat() LLVM_READNONE;
LLVM_ABI static const fltSemantics &IEEEsingle() LLVM_READNONE;
LLVM_ABI static const fltSemantics &IEEEdouble() LLVM_READNONE;
LLVM_ABI static const fltSemantics &IEEEquad() LLVM_READNONE;
LLVM_ABI static const fltSemantics &PPCDoubleDouble() LLVM_READNONE;
LLVM_ABI static const fltSemantics &PPCDoubleDoubleLegacy() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E5M2() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E5M2FNUZ() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E4M3() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E4M3FN() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E4M3FNUZ() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E4M3B11FNUZ() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E3M4() LLVM_READNONE;
LLVM_ABI static const fltSemantics &FloatTF32() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float8E8M0FNU() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float6E3M2FN() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float6E2M3FN() LLVM_READNONE;
LLVM_ABI static const fltSemantics &Float4E2M1FN() LLVM_READNONE;
LLVM_ABI static const fltSemantics &x87DoubleExtended() LLVM_READNONE;
private:
LLVM_ABI static const fltSemantics semIEEEhalf;
LLVM_ABI static const fltSemantics semBFloat;
LLVM_ABI static const fltSemantics semIEEEsingle;
LLVM_ABI static const fltSemantics semIEEEdouble;
LLVM_ABI static const fltSemantics semIEEEquad;
LLVM_ABI static const fltSemantics semFloat8E5M2;
LLVM_ABI static const fltSemantics semFloat8E5M2FNUZ;
LLVM_ABI static const fltSemantics semFloat8E4M3;
LLVM_ABI static const fltSemantics semFloat8E4M3FN;
LLVM_ABI static const fltSemantics semFloat8E4M3FNUZ;
LLVM_ABI static const fltSemantics semFloat8E4M3B11FNUZ;
LLVM_ABI static const fltSemantics semFloat8E3M4;
LLVM_ABI static const fltSemantics semFloatTF32;
LLVM_ABI static const fltSemantics semFloat8E8M0FNU;
LLVM_ABI static const fltSemantics semFloat6E3M2FN;
LLVM_ABI static const fltSemantics semFloat6E2M3FN;
LLVM_ABI static const fltSemantics semFloat4E2M1FN;
LLVM_ABI static const fltSemantics semX87DoubleExtended;
LLVM_ABI static const fltSemantics semBogus;
LLVM_ABI static const fltSemantics semPPCDoubleDouble;
LLVM_ABI static const fltSemantics semPPCDoubleDoubleLegacy;

friend class detail::IEEEFloat;
friend class detail::DoubleAPFloat;
friend class APFloat;

public:
static const fltSemantics &IEEEhalf() { return semIEEEhalf; }
static const fltSemantics &BFloat() { return semBFloat; }
static const fltSemantics &IEEEsingle() { return semIEEEsingle; }
static const fltSemantics &IEEEdouble() { return semIEEEdouble; }
static const fltSemantics &IEEEquad() { return semIEEEquad; }
static const fltSemantics &PPCDoubleDouble() { return semPPCDoubleDouble; }
static const fltSemantics &PPCDoubleDoubleLegacy() {
return semPPCDoubleDoubleLegacy;
}
static const fltSemantics &Float8E5M2() { return semFloat8E5M2; }
static const fltSemantics &Float8E5M2FNUZ() { return semFloat8E5M2FNUZ; }
static const fltSemantics &Float8E4M3() { return semFloat8E4M3; }
static const fltSemantics &Float8E4M3FN() { return semFloat8E4M3FN; }
static const fltSemantics &Float8E4M3FNUZ() { return semFloat8E4M3FNUZ; }
static const fltSemantics &Float8E4M3B11FNUZ() {
return semFloat8E4M3B11FNUZ;
}
static const fltSemantics &Float8E3M4() { return semFloat8E3M4; }
static const fltSemantics &FloatTF32() { return semFloatTF32; }
static const fltSemantics &Float8E8M0FNU() { return semFloat8E8M0FNU; }
static const fltSemantics &Float6E3M2FN() { return semFloat6E3M2FN; }
static const fltSemantics &Float6E2M3FN() { return semFloat6E2M3FN; }
static const fltSemantics &Float4E2M1FN() { return semFloat4E2M1FN; }
static const fltSemantics &x87DoubleExtended() {
return semX87DoubleExtended;
}

/// A Pseudo fltsemantic used to construct APFloats that cannot conflict with
/// anything real.
LLVM_ABI static const fltSemantics &Bogus() LLVM_READNONE;
static const fltSemantics &Bogus() { return semBogus; }

// Returns true if any number described by this semantics can be precisely
// represented by the specified semantics. Does not take into account
Expand Down
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