[clang] [llvm] [clang] Add support for the c2000 architecture (PR #125663)

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@@ -929,7 +936,7 @@ def ObjCXX : Flag<["-"], "ObjC++">, Flags<[NoXarchOption]>,
 def ObjC : Flag<["-"], "ObjC">, Flags<[NoXarchOption]>,
   HelpText<"Treat source input files as Objective-C inputs">;
 def O : Joined<["-"], "O">, Group<O_Group>,
-  Visibility<[ClangOption, CC1Option, FC1Option, FlangOption]>;
+  Visibility<[ClangOption, CC1Option, FC1Option, FlangOption, CL2000Option]>;
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student433 wrote:

Since I didn't define all the flags here, which I'm going for now, I think it should be enough to just parse the option

https://github.com/llvm/llvm-project/pull/125663