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

[Sergei Barannikov via cfe-commits]

================
@@ -67,6 +67,9 @@ template <typename IRUnitT, typename... ExtraArgTs> class AnalysisManager;
 /// passes.
 ///
 /// This provides some boilerplate for types that are passes.
+///
+/// Actual passes should inherit from RequiredPassInfoMixin or
+/// OptionalPassInfoMixin.
 template <typename DerivedT> struct PassInfoMixin {
----------------
s-barannikov wrote:

Should this be moved into an "internal" namespace like `details` to prevent developers from using it directly?


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