[llvm] [VPlan] Don't convert widen recipes to VP intrinsics in EVL transform (PR #126177)

[Pengcheng Wang via llvm-commits]

https://github.com/wangpc-pp commented:

I don't know if this is the right approach, but it really improves the codegen quality now. We still lack the abilities to handle vp intrinsics in instcombine and DAGCombiner.

https://github.com/llvm/llvm-project/pull/126177