[llvm] [DebugInfo][RemoveDIs] Make debugify pass convert to/from RemoveDIs mode (PR #73251)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -801,7 +801,15 @@ bool checkDebugifyMetadata(Module &M,
 /// legacy module pass manager.
 struct DebugifyModulePass : public ModulePass {
   bool runOnModule(Module &M) override {
-    return applyDebugify(M, Mode, DebugInfoBeforePass, NameOfWrappedPass);
+    bool OldDebugMode = M.IsNewDbgInfoFormat;
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OCHyams wrote:

Doesn't `NewDebugMode` makes more sense than `OldDebugMode`?

https://github.com/llvm/llvm-project/pull/73251