diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2011-12-09 23:41:18 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2011-12-09 23:41:18 +0000 |
| commit | 001f628a693960380e37c2b58a1009da77d7e425 (patch) | |
| tree | c9ef6538f28b10b2f3960e92b6ef62dd962b9759 /lib | |
| parent | 2c3c7675b4c01b9d555c47232597a000fbb93c26 (diff) | |
Driver: Handle -f{no-}honor-infinities, -f{no-}honor-nans, and
-ffinite-math-only.
- No test case yet, I don't know how to construct a situation where this
matters.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146297 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Driver/Tools.cpp | 12 | ||||
| -rw-r--r-- | lib/Frontend/CompilerInvocation.cpp | 12 |
2 files changed, 22 insertions, 2 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 9d8effb710..f410848cc7 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -1345,6 +1345,18 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, getToolChain().IsStrictAliasingDefault())) CmdArgs.push_back("-relaxed-aliasing"); + // Handle -f{no-}honor-infinities, -f{no-}honor-nans, and -ffinite-math-only. + bool HonorInfinities = Args.hasFlag(options::OPT_fhonor_infinities, + options::OPT_fno_honor_infinities); + bool HonorNaNs = Args.hasFlag(options::OPT_fhonor_nans, + options::OPT_fno_honor_nans); + if (Args.hasArg(options::OPT_ffinite_math_only)) + HonorInfinities = HonorNaNs = false; + if (!HonorInfinities) + CmdArgs.push_back("-menable-no-infs"); + if (!HonorNaNs) + CmdArgs.push_back("-menable-no-nans"); + // Decide whether to use verbose asm. Verbose assembly is the default on // toolchains which have the integrated assembler on by default. bool IsVerboseAsmDefault = getToolChain().IsIntegratedAssemblerDefault(); diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp index 2de9e8068c..0fd0a5aff7 100644 --- a/lib/Frontend/CompilerInvocation.cpp +++ b/lib/Frontend/CompilerInvocation.cpp @@ -183,6 +183,10 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts, Res.push_back("-main-file-name"); Res.push_back(Opts.MainFileName); } + if (Opts.NoInfsFPMath) + Res.push_back("-menable-no-infinities"); + if (Opts.NoNaNsFPMath) + Res.push_back("-menable-no-nans"); // SimplifyLibCalls is only derived. // TimePasses is only derived. // UnitAtATime is unused. @@ -1083,8 +1087,12 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); - Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| - Args.hasArg(OPT_cl_fast_relaxed_math); + Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || + Args.hasArg(OPT_cl_finite_math_only)|| + Args.hasArg(OPT_cl_fast_relaxed_math)); + Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || + Args.hasArg(OPT_cl_finite_math_only)|| + Args.hasArg(OPT_cl_fast_relaxed_math)); Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); |