[llvm] [LV] Emit better debug and opt-report messages when vectorization is disallowed in the LoopVectorizer (PR #158513)

[Florian Hahn via llvm-commits]

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================
@@ -196,6 +196,15 @@ class LoopVectorizeHints {
 
   /// Interface to emit optimization remarks.
   OptimizationRemarkEmitter &ORE;
+
+  /// Reports a condition where loop vectorization is disallowed: prints
+  /// \p DebugMsg for debugging purposes along with the corresponding
+  /// optimization remark \p RemarkName , with \p RemarkMsg as the user-facing
----------------
fhahn wrote:

nit 
```suggestion
  /// optimization remark \p RemarkName, with \p RemarkMsg as the user-facing
```

https://github.com/llvm/llvm-project/pull/158513