[llvm] [SLP] Support memory runtime alias checks (PR #209820)

[Alexey Bataev via llvm-commits]

alexey-bataev wrote:

> I don't have a repro yet, but I bisected a non-determinism issue to this commit (also the previous version / fixed w/ the revert)

I identified one source of the non-determinism, fixed in 9f839a4396916283cc28e45d18d7f4742ad5094a, please check if it fixes your case

https://github.com/llvm/llvm-project/pull/209820