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

[Florian Hahn via llvm-commits]

================
@@ -1871,6 +1997,15 @@ bool LoopVectorizationLegality::canVectorize(bool UseVPlanNativePath) {
       return false;
   }
 
+  // Bail out for state-changing EE loops for now.
----------------
fhahn wrote:

```suggestion
  // Bail out for state-changing loops with uncountable exits for now.
```

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