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| author | Sjoerd Meijer <sjoerd.meijer@arm.com> | 2016-10-13 13:22:01 +0000 |
|---|---|---|
| committer | Sjoerd Meijer <sjoerd.meijer@arm.com> | 2016-10-13 13:22:01 +0000 |
| commit | ee3c7e0d429c6c1b7c6b6c0763ee1c820fe5a565 (patch) | |
| tree | 6cd247c35e8a599b86eb0050538251f80d7bc21e /clang/lib | |
| parent | bb1db210a8c46708b77704edf26d9d3a7b77f453 (diff) | |
| download | bcm5719-llvm-ee3c7e0d429c6c1b7c6b6c0763ee1c820fe5a565.tar.gz bcm5719-llvm-ee3c7e0d429c6c1b7c6b6c0763ee1c820fe5a565.zip | |
Guard flag –fdenormal-fp-math with –fno-fast-math.
This allows disabling the FP options with just one flag (-fno-fast-math).
Differential Revision: https://reviews.llvm.org/D25479
llvm-svn: 284121
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 6c07b9b5de2..eb27cb486bd 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -4391,11 +4391,18 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (ReciprocalMath) CmdArgs.push_back("-freciprocal-math"); - if (!TrappingMath) + if (!TrappingMath) CmdArgs.push_back("-fno-trapping-math"); - if (Args.hasArg(options::OPT_fdenormal_fp_math_EQ)) - Args.AddLastArg(CmdArgs, options::OPT_fdenormal_fp_math_EQ); + + if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, + options::OPT_fno_fast_math, + options::OPT_funsafe_math_optimizations, + options::OPT_fno_unsafe_math_optimizations, + options::OPT_fdenormal_fp_math_EQ)) + if (A->getOption().getID() != options::OPT_fno_fast_math && + A->getOption().getID() != options::OPT_fno_unsafe_math_optimizations) + Args.AddLastArg(CmdArgs, options::OPT_fdenormal_fp_math_EQ); // Validate and pass through -fp-contract option. if (Arg *A = Args.getLastArg(options::OPT_ffast_math, FastMathAliasOption, |
