[llvm] [LV, VP]VP intrinsics support for the Loop Vectorizer + adding new tail-folding mode using EVL. (PR #76172)

[Florian Hahn via llvm-commits]

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@@ -242,6 +242,14 @@ struct VPTransformState {
   ElementCount VF;
   unsigned UF;
 
+  /// If EVL is not nullptr, then EVL must be a valid value set during plan
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fhahn wrote:

nit: would probably be good to mention here what EVL stands for.

https://github.com/llvm/llvm-project/pull/76172