[llvm] [CodeGen] Add MachineRegisterClassInfo analysis pass (PR #120690)

[Pengcheng Wang via llvm-commits]

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@@ -594,6 +596,7 @@ void RegisterCoalescer::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<MachineLoopInfoWrapperPass>();
   AU.addPreserved<MachineLoopInfoWrapperPass>();
   AU.addPreservedID(MachineDominatorsID);
+  AU.addRequired<MachineRegisterClassInfoWrapperPass>();
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wangpc-pp wrote:

Yeah I missed that, I will check and add the preserved set.

https://github.com/llvm/llvm-project/pull/120690