[llvm] [VPlan] Don't convert widen recipes to VP intrinsics in EVL transform (PR #127180)

[Luke Lau via llvm-commits]

lukel97 wrote:

> DO we have the tests anywhere that VLOptimizer does what's required with instruction inEVL-vectorized loops?

I don't think so, but they would be good to have. I'll add some

https://github.com/llvm/llvm-project/pull/127180