[llvm] [SCEV] Introduce SCEVExactFlags for UDiv (PR #225065)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> Are the llvm-opt-benchmark failures due to this patch or pre-existing?

I can't be fully sure, but I think something strange might be going on with llvm-opt-benchmark: I've requested a re-run already.

https://github.com/llvm/llvm-project/pull/225065