[llvm-branch-commits] [llvm] [RegAlloc][NewPM] Plug Greedy RA in codegen pipeline (PR #120557)

[Matt Arsenault via llvm-branch-commits]

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@@ -1315,6 +1315,20 @@ parseBoundsCheckingOptions(StringRef Params) {
   return Mode;
 }
 
+Expected<RAGreedyPass::Options>
+parseRegAllocGreedyFilterFunc(PassBuilder &PB, StringRef Params) {
+  if (Params.empty() || Params == "all") {
+    return RAGreedyPass::Options();
+  }
+  std::optional<RegAllocFilterFunc> Filter = PB.parseRegAllocFilter(Params);
+  if (!Filter) {
+    return make_error<StringError>(
+        formatv("invalid regallocgreedy register filter '{0}' ", Params).str(),
+        inconvertibleErrorCode());
+  }
+  return RAGreedyPass::Options{*Filter, Params};
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arsenm wrote:

Less indentation if you invert the order here 

https://github.com/llvm/llvm-project/pull/120557