[llvm] [LV, VP]VP intrinsics support for the Loop Vectorizer (PR #76172)

[Alexey Bataev via llvm-commits]

alexey-bataev wrote:

> When introducing the EVL, the transform should do something like Plan->setUF(1)

It does. It adds UF=1 to Ufs, but VPlan print does not print the list of Ufs, it just checks the size and if UFs is not empty, prints "UF>=1". "UF=1" is printed only if UFs is empty.

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