[llvm] [CodeGen][NewPM] Port LiveDebugVariables to NPM (PR #115468)

[Akshat Oke via llvm-commits]

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@@ -63,6 +88,16 @@ class LiveDebugVariables : public MachineFunctionPass {
   }
 };
 
+class LiveDebugVariablesAnalysis
+    : public AnalysisInfoMixin<LiveDebugVariablesAnalysis> {
+  friend AnalysisInfoMixin<LiveDebugVariablesAnalysis>;
+  static AnalysisKey Key;
+
+public:
+  using Result = LiveDebugVariables;
+  Result run(MachineFunction &MF, MachineFunctionAnalysisManager &MFAM);
+};
+
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optimisan wrote:

print methods are hidden behind `NDEBUG`, and are invoked in `runOnMachineFunction`.

Is NPM moving away from printing debug info with DEBUG_TYPE?

https://github.com/llvm/llvm-project/pull/115468