[llvm] [LV] Compute register usage for interleaving on VPlan. (PR #126437)

[Sam Tebbs via llvm-commits]

SamTebbs33 wrote:

> > Have you had time to think about my review comments? I'm working on a patch on top of this so it would be good to get it landed soon.
> 
> Thanks, I'll get to them soon, probably later this week. I am at the moment catching up on a number of reviews.

Thank you, that sounds good to me. In the meantime, would you mind creating a user branch in this repo with this work in it, or alternatively would you mind if I create one under my user name? It would be good to have one so I can create a stacked PR.

https://github.com/llvm/llvm-project/pull/126437