[llvm] [VPlan] Use SCEV to prove non-aliasing for stores at different offsets. (PR #170347)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon commented:

I feel like re-inventing parts of the various AAs, which is unavoidable, but I wonder if we can factor this out into something like VPAliasAnalysis at some point?

https://github.com/llvm/llvm-project/pull/170347