diff options
| author | Melanie Blower <melanie.blower@intel.com> | 2020-05-01 09:26:15 -0700 |
|---|---|---|
| committer | Melanie Blower <melanie.blower@intel.com> | 2020-05-01 10:03:30 -0700 |
| commit | 69aacaf699922ffe0450f567e21208c10c84731f (patch) | |
| tree | d497d3a99a0440c7f631ecf5a6f12878634c624e /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | d805ab7d039d6f3e7a8f7ab92e84c9d42a51ef66 (diff) | |
| download | llvm-69aacaf699922ffe0450f567e21208c10c84731f.zip llvm-69aacaf699922ffe0450f567e21208c10c84731f.tar.gz llvm-69aacaf699922ffe0450f567e21208c10c84731f.tar.bz2 | |
Reapply "Add support for #pragma float_control" with improvements to
test cases
Add support for #pragma float_control
Reviewers: rjmccall, erichkeane, sepavloff
Differential Revision: https://reviews.llvm.org/D72841
This reverts commit 85dc033caccaa6ab919d57f9759290be41240146, and makes
corrections to the test cases that failed on buildbots.
Diffstat (limited to 'clang/lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | clang/lib/Frontend/CompilerInvocation.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index b327fa9..391f0e9 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -2455,7 +2455,7 @@ static const StringRef GetInputKindName(InputKind IK) { static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, const TargetOptions &TargetOpts, - PreprocessorOptions &PPOpts, + PreprocessorOptions &PPOpts, CodeGenOptions &CGOpts, DiagnosticsEngine &Diags) { // FIXME: Cleanup per-file based stuff. LangStandard::Kind LangStd = LangStandard::lang_unspecified; @@ -3187,6 +3187,19 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || Args.hasArg(OPT_cl_unsafe_math_optimizations) || Args.hasArg(OPT_cl_fast_relaxed_math); + Opts.AllowFPReassoc = Opts.FastMath || CGOpts.Reassociate; + Opts.NoHonorNaNs = + Opts.FastMath || CGOpts.NoNaNsFPMath || Opts.FiniteMathOnly; + Opts.NoHonorInfs = + Opts.FastMath || CGOpts.NoInfsFPMath || Opts.FiniteMathOnly; + Opts.NoSignedZero = Opts.FastMath || CGOpts.NoSignedZeros; + Opts.AllowRecip = Opts.FastMath || CGOpts.ReciprocalMath; + // Currently there's no clang option to enable this individually + Opts.ApproxFunc = Opts.FastMath; + Opts.denormalIsIEEE = + !(CGOpts.FPDenormalMode.isValid() && CGOpts.FP32DenormalMode.isValid()) || + (CGOpts.FPDenormalMode == llvm::DenormalMode::getIEEE() && + CGOpts.FP32DenormalMode == llvm::DenormalMode::getIEEE()); if (Arg *A = Args.getLastArg(OPT_ffp_contract)) { StringRef Val = A->getValue(); @@ -3640,7 +3653,7 @@ bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, // Other LangOpts are only initialized when the input is not AST or LLVM IR. // FIXME: Should we really be calling this for an Language::Asm input? ParseLangArgs(LangOpts, Args, DashX, Res.getTargetOpts(), - Res.getPreprocessorOpts(), Diags); + Res.getPreprocessorOpts(), Res.getCodeGenOpts(), Diags); if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) LangOpts.ObjCExceptions = 1; if (T.isOSDarwin() && DashX.isPreprocessed()) { |