[llvm] [LV] Add initial legality checks for ee loops with stores (PR #145663)

[Florian Hahn via llvm-commits]

================
@@ -647,6 +722,10 @@ class LoopVectorizationLegality {
   /// Keep track of an uncountable exiting block, if there is exactly one early
   /// exit.
   BasicBlock *UncountableExitingBB = nullptr;
+
+  /// If true, the loop has at least one uncounted exit and operations within
----------------
fhahn wrote:

```suggestion
  /// If true, the loop has at least one uncountable exit and operations within
```

https://github.com/llvm/llvm-project/pull/145663