[llvm] [IndVarSimplify] Do not replace ExitValue if it contains Udiv with non-constant divisor (PR #109945)

[Philip Reames via llvm-commits]

preames wrote:

> For this change, I'm concerned that you are optimizing the code for one specific benchmark, but will make things worse for other cases.

I second this concern, and don't believe we should accept this patch in the current form.

https://github.com/llvm/llvm-project/pull/109945