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

and a follow-up NFC rearrangement as it's causing a crash on valid. Testcase is on the original review thread.

This reverts commits af57dbf12e54f3a8ff48534bf1078f4de104c1cd and e6584b2b7b2de06f1e59aac41971760cac1e1b79

1 files changed, 0 insertions, 30 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 26221a89818..79975722a47 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3148,36 +3148,6 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
       Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
   }
 
-  if (Args.hasArg(OPT_frounding_math)) {
-    Opts.setFPRoundingMode(LangOptions::FPR_Dynamic);
-  }
-
-  if (Args.hasArg(OPT_fno_rounding_math)) {
-    Opts.setFPRoundingMode(LangOptions::FPR_ToNearest);
-  }
-
-  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);