[llvm] [CodeGen] Add MachineRegisterClassInfo analysis pass (PR #210826)

[Matt Arsenault via llvm-commits]

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@@ -152,11 +152,6 @@ struct LLVM_ABI MachineSchedContext {
   MachineBlockFrequencyInfo *MBFI = nullptr;
 
   RegisterClassInfo *RegClassInfo;
-
-  MachineSchedContext();
-  MachineSchedContext &operator=(const MachineSchedContext &other) = delete;
-  MachineSchedContext(const MachineSchedContext &other) = delete;
-  virtual ~MachineSchedContext();
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arsenm wrote:

Probably shouldn't have touched this 

https://github.com/llvm/llvm-project/pull/210826