llvm/flang/include/flang/Common/MathOptionsBase.def

//===--- MathOptionsBase.def - Math options config ---------------- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file defines math options. Users of this file must define
/// ENUM_MATHOPT macro to make use of this information.
///
//===----------------------------------------------------------------------===//

#ifndef ENUM_MATHOPT
#  error Define the ENUM_MATHOPT macro to handle lowering options
#endif

/// Allow fusing FP operations (e.g. create FMAs from mul/add).
ENUM_MATHOPT(FPContractEnabled, unsigned, 1, 1)

/// Permit floating point optimizations without regard to infinities.
ENUM_MATHOPT(NoHonorInfs, unsigned, 1, 0)

/// Permit floating point optimization without regard to NaN
ENUM_MATHOPT(NoHonorNaNs, unsigned, 1, 0)

/// Allow math functions to be replaced with an approximately equivalent
/// calculation
ENUM_MATHOPT(ApproxFunc, unsigned, 1, 0)

/// Allow optimizations that ignore the sign of floating point zeros
ENUM_MATHOPT(NoSignedZeros, unsigned, 1, 0)

/// Allow reassociation transformations for floating-point instructions
ENUM_MATHOPT(AssociativeMath, unsigned, 1, 0)

/// Allow division operations to be reassociated
ENUM_MATHOPT(ReciprocalMath, unsigned, 1, 0)

#undef ENUM_MATHOPT