[llvm] [LoopVectorizer] Prune VFs based on plan register pressure (PR #132190)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

> Thank you for the approvals. I'll rebase and merge once Elvis's PR is in.

Could you link the depenency in the description? My understanding was that all dependencies already landed for the PR

https://github.com/llvm/llvm-project/pull/132190