[llvm-branch-commits] [llvm] [AMDGPU][Attributor] Add a pass parameter `closed-world` for AMDGPUAttributor pass (PR #101760)

[Matt Arsenault via llvm-branch-commits]

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@@ -661,6 +662,24 @@ Error AMDGPUTargetMachine::buildCodeGenPipeline(
   return CGPB.buildPipeline(MPM, Out, DwoOut, FileType);
 }
 
+Expected<AMDGPUAttributorOptions>
+parseAMDGPUAttributorPassOptions(StringRef Params) {
+  AMDGPUAttributorOptions Result;
+  while (!Params.empty()) {
+    StringRef ParamName;
+    std::tie(ParamName, Params) = Params.split(';');
+    if (ParamName == "closed-world") {
+      Result.IsClosedWorld = true;
+    } else {
+      return make_error<StringError>(
+          formatv("invalid AMDGPUAttributor pass parameter '{0}' ", ParamName)
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arsenm wrote:

Add a test for the error case 

https://github.com/llvm/llvm-project/pull/101760