[llvm] [NFC][LV]: Differentiate between Pred and Unpred masked operations. (PR #169509)

[David Sherwood via llvm-commits]

https://github.com/david-arm commented:

Thanks for this @hassnaaHamdi! I think the PR is useful refactoring for future work that will permit the generation of predicated vector epilogues.

https://github.com/llvm/llvm-project/pull/169509