[llvm] [Instrumentation] Support `MachineFunction` in `OptNoneInstrumentation` (PR #115471)

[Matt Arsenault via llvm-commits]

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@@ -40,6 +41,7 @@ class PrintMIRPass : public PassInfoMixin<PrintMIRPass> {
   PrintMIRPass(raw_ostream &OS = errs()) : OS(OS) {}
   PreservedAnalyses run(MachineFunction &MF,
                         MachineFunctionAnalysisManager &MFAM);
+  static bool isRequired() { return true; }
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arsenm wrote:

So this is essentially a concept? This needs something to document it in the base class? 

https://github.com/llvm/llvm-project/pull/115471