[llvm] [VPlan] Replace EVL branch condition with (branch-on-count AVLNext, 0) (PR #152167)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon commented:

This is much better, thanks! Unfortunately, I don't have enough AVL/EVL context to confidently approve this, and will leave that to another reviewer.

https://github.com/llvm/llvm-project/pull/152167