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Only add the option processing and store the result. No attributes are added to FIR yet. Only the "off" and "fast" options are supported. "fast-honor-pragmas" is not applicable because we do not implement `#pragma clang fp contract()` in Fortran [1]. "on" is not supported because it is unclear how to fuse only within individual statements. gfortran also does not implement "on": treating it as an "off". Currently the default value is "off" to preserve existing behavior. gfortran uses "fast" by default and that may be the right thing for flang-new after further discussion in the future, but that can be changed separately. gfortran's documentation is available [[ https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html | here ]]. [1] https://clang.llvm.org/docs/LanguageExtensions.html#extensions-to-specify-floating-point-flags Reviewed By: vzakhari, awarzynski Differential Revision: https://reviews.llvm.org/D136080
25 lines
852 B
C++
25 lines
852 B
C++
//===------ LangOptions.cpp -----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Frontend/LangOptions.h"
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#include <string.h>
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namespace Fortran::frontend {
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LangOptions::LangOptions() {
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#define LANGOPT(Name, Bits, Default) Name = Default;
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#define ENUM_LANGOPT(Name, Type, Bits, Default) set##Name(Default);
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#include "flang/Frontend/LangOptions.def"
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}
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} // end namespace Fortran::frontend
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