[llvm] [VPlan] Add VPlan-based addMinIterCheck, replace ILV for non-epilogue. (PR #153643)

[via llvm-commits]

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@@ -724,6 +713,9 @@ class EpilogueVectorizerMainLoop : public InnerLoopAndEpilogueVectorizer {
   BasicBlock *createEpilogueVectorizedLoopSkeleton() final;
 
 protected:
+  // Create a check to see if the vector loop should be executed
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ayalz wrote:

```suggestion
  // Create a check to see if the main vector loop should be executed
```
?

https://github.com/llvm/llvm-project/pull/153643