[llvm] [readtapi] Add Extract & Remove architecture functionality (PR #72657)

[Cyndy Ishida via llvm-commits]

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@@ -151,8 +171,10 @@ int main(int Argc, char **Argv) {
         exit(1);
       });
   if (Args.hasArg(OPT_help)) {
-    Tbl.printHelp(outs(), "llvm-readtapi [options] <inputs>",
-                  "LLVM TAPI file reader and manipulator");
+    Tbl.printHelp(
+        outs(),
+        "llvm-readtapi [options]* [-arch <arch>]* <inputs> [-o <output>]*",
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cyndyishida wrote:

I guess I used * to denote 0 or more flags, in the case for output, no -o means write to stdout. But yes you're right, I don't need one for [options].

https://github.com/llvm/llvm-project/pull/72657