[llvm] [LV]Set tailfolding styles before computing feasible max VF. (PR #91403)

[Florian Hahn via llvm-commits]

https://github.com/fhahn approved this pull request.

LGTM, thanks! Also added @ayalz for visibility, would be good to wait till Monday before landing in case he has additional suggestions

https://github.com/llvm/llvm-project/pull/91403