[llvm] [LV]: Ensure fairness when selecting epilogue VF. (PR #155547)

[Hassnaa Hamdi via llvm-commits]

hassnaaHamdi wrote:

> > > It looks like `LLVM.Transforms/LoopVectorize/AArch64/interleaving-reduction.ll` is failing in pre-commit, probably needs a rebase + test update?
> > 
> > 
> > It fails as expected, I tried to strip out the renaming to show you the difference of the logic. After you see the changes, I will update the file again.
> 
> I guess it's probably a bit easier for reviewers to pre-commit a NFC patch that regenerates the CHECK lines first, either in a separate PR or as an initial commit to a PR.

Yeah, I will do that for all next patches.
Thanks so much everyone. 

https://github.com/llvm/llvm-project/pull/155547