Revert " Reapply af57dbf12e54 "Add support for options -frounding-math, ftrapping-math, -ffp-model=, and -ffp-exception-behavior=""

This reverts commit cdbed2dd856c14687efd741c2d8321686102acb8.
Build break on Windows (lit fail)

1 files changed, 0 insertions, 28 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 198ae69b765..74831e78d8c 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3145,34 +3145,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
       Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
   }
 
-  LangOptions::FPRoundingModeKind FPRM = LangOptions::FPR_ToNearest;
-  if (Args.hasArg(OPT_frounding_math)) {
-    FPRM = LangOptions::FPR_Dynamic;
-  }
-  Opts.setFPRoundingMode(FPRM);
-
-  if (Args.hasArg(OPT_ftrapping_math)) {
-    Opts.setFPExceptionMode(LangOptions::FPE_Strict);
-  }
-
-  if (Args.hasArg(OPT_fno_trapping_math)) {
-    Opts.setFPExceptionMode(LangOptions::FPE_Ignore);
-  }
-
-  LangOptions::FPExceptionModeKind FPEB = LangOptions::FPE_Ignore;
-  if (Arg *A = Args.getLastArg(OPT_ffp_exception_behavior_EQ)) {
-    StringRef Val = A->getValue();
-    if (Val.equals("ignore"))
-      FPEB = LangOptions::FPE_Ignore;
-    else if (Val.equals("maytrap"))
-      FPEB = LangOptions::FPE_MayTrap;
-    else if (Val.equals("strict"))
-      FPEB = LangOptions::FPE_Strict;
-    else
-      Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
-  }
-  Opts.setFPExceptionMode(FPEB);
-
   Opts.RetainCommentsFromSystemHeaders =
       Args.hasArg(OPT_fretain_comments_from_system_headers);