[clang] [llvm] [polly] [PassManager] Make passes inherit from RequiredPassInfoMixin/OptionalPassInfoMixin (PR #192120)

[Nikita Popov via llvm-commits]

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@@ -14,7 +14,7 @@
 namespace llvm {
 
 class ExpandReductionsPass
-    : public PassInfoMixin<ExpandReductionsPass> {
+    : public OptionalPassInfoMixin<ExpandReductionsPass> {
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nikic wrote:

I guess having this one optional is probably okay because we still have the vecreduce SDAG fallback...

https://github.com/llvm/llvm-project/pull/192120