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

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

Looks like 2 comments still pending, but that should be it AFAICT

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