[llvm] [InstCombine] Simplify fractions when there is no overflow (PR #210516)

[via llvm-commits]

AZero13 wrote:

This is a reprise of https://github.com/llvm/llvm-project/pull/92949, but I am tackling this much better now than I did before.

https://github.com/llvm/llvm-project/pull/210516