[llvm] [SCEVExpander] Expand UDiv avoiding UB when in seq_min/max. (PR #92177)

[Florian Hahn via llvm-commits]

fhahn wrote:

> > I also added SCEV-only tests, so the SCEV changes could be separated from the SCEVExpander changes if preferred
> 
> Yeah, I think it would be good to split off this change.

Done in https://github.com/llvm/llvm-project/pull/110824

https://github.com/llvm/llvm-project/pull/92177