[llvm] [llvm] Refactor llc to use OptTable (PR #187901)

[via llvm-commits]

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@@ -366,6 +317,153 @@ static std::unique_ptr<ToolOutputFile> GetOutputStream(Triple::OSType OS) {
   return FDOut;
 }
 
+static void RecordLlcOpts(opt::InputArgList &Args,
+                          SmallVector<PassPlugin, 1> &PluginList) {
+  if (Args.hasArg(OPT_version)) {
+    // Register the Target and CPU printer for --version.
+    cl::AddExtraVersionPrinter(sys::printDefaultTargetAndDetectedCPU);
+    // Register the target printer for --version.
+    cl::AddExtraVersionPrinter(
+        TargetRegistry::printRegisteredTargetsForVersion);
+    cl::PrintVersionMessage();
+    exit(0);
+  }
+
+  for (const auto *A : Args) {
+    if (A->getOption().getID() == OPT_INPUT)
+      InputFilename = A->getValue();
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PiJoules wrote:

Not sure I see it. How might it drop arguments?

https://github.com/llvm/llvm-project/pull/187901