[PATCH] D79735: FP LangOpts should not be dependent on CGOpts

[Melanie Blower via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG01dc694ccb86: FP LangOpts should not be dependent on CGOpt This bug was observed by Apple… (authored by mibintc).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79735/new/

https://reviews.llvm.org/D79735

Files:
  clang/lib/Frontend/CompilerInvocation.cpp


Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -2454,7 +2454,7 @@
 
 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
                           const TargetOptions &TargetOpts,
-                          PreprocessorOptions &PPOpts, CodeGenOptions &CGOpts,
+                          PreprocessorOptions &PPOpts,
                           DiagnosticsEngine &Diags) {
   // FIXME: Cleanup per-file based stuff.
   LangStandard::Kind LangStd = LangStandard::lang_unspecified;
@@ -3188,13 +3188,21 @@
   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;
+  Opts.AllowFPReassoc = Opts.FastMath || Args.hasArg(OPT_mreassociate);
+  Opts.NoHonorNaNs = Opts.FastMath || Opts.FiniteMathOnly ||
+                     Args.hasArg(OPT_menable_no_nans) ||
+                     Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
+                     Args.hasArg(OPT_cl_finite_math_only) ||
+                     Args.hasArg(OPT_cl_fast_relaxed_math);
+  Opts.NoHonorInfs = Opts.FastMath || Opts.FiniteMathOnly ||
+                     Args.hasArg(OPT_menable_no_infinities) ||
+                     Args.hasArg(OPT_cl_finite_math_only) ||
+                     Args.hasArg(OPT_cl_fast_relaxed_math);
+  Opts.NoSignedZero = Opts.FastMath || (Args.hasArg(OPT_fno_signed_zeros) ||
+                      Args.hasArg(OPT_cl_no_signed_zeros) ||
+                      Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
+                      Args.hasArg(OPT_cl_fast_relaxed_math));
+  Opts.AllowRecip = Opts.FastMath || Args.hasArg(OPT_freciprocal_math);
   // Currently there's no clang option to enable this individually
   Opts.ApproxFunc = Opts.FastMath;
 
@@ -3652,7 +3660,7 @@
     // 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(), Res.getCodeGenOpts(), Diags);
+                  Res.getPreprocessorOpts(), Diags);
     if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
       LangOpts.ObjCExceptions = 1;
     if (T.isOSDarwin() && DashX.isPreprocessed()) {


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