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

[via llvm-commits]

https://github.com/ayalz commented:

In the process of going over this again, posting a first set of comments to pipeline the work.

The second paragraph of the commit message appears broken at the end.

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