[llvm] [KnownBits] Fix minimum denominator bounds for sdiv (PR #227264)

[Eric Ross via llvm-commits]

ZERICO2005 wrote:

> Okay, thank you for that. Should I delete the unit test and write a lit test in InstCombine? thanks.

Yeah you could probably remove it.

For the lit tests, you could probably test common bitwidths like `i32` and `i8`.



https://github.com/llvm/llvm-project/pull/227264