Implement -cl-single-precision-constant

llvm-svn: 120877

clang/lib/Frontend/CompilerInvocation.cpp

@@ -1418,6 +1418,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
   Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
   Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking);
   Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
+  Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
   Opts.OptimizeSize = 0;
 
   // FIXME: Eliminate this dependency.