[llvm] [LV] Add support for widening loads/stores to a VF multiple (PR #217670)

[Benjamin Maxwell via llvm-commits]

MacDue wrote:

Note: I'll be looking to land this soon if there's no further comments. I will look at alternative approaches, but I still feel that this is the most concrete approach at the moment (especially when considering how to handle predication). 

https://github.com/llvm/llvm-project/pull/217670