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

[Craig Topper via llvm-commits]

topperc wrote:

> data-with-evl

Do we also need `-prefer-predicate-over-epilogue=predicate-dont-vectorize`?

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