[llvm] [SCEV] Urem identification from X - C*X/uC (PR #210778)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

Could you add https://llvm.godbolt.org/z/rofTbbxss? I think the current code may regress SCEV expansion for it

https://github.com/llvm/llvm-project/pull/210778