[llvm] [InstCombine] Treat sdiv as udiv in foldICmpDivConstant when both operands are non-negative (PR #188731)

[Nikita Popov via llvm-commits]

nikic wrote:

Okay, so the motivating case here is where we don't know it's non-negative at the point of the udiv, but do know at the point of the comparison.

Can you provide any context on where this case shows up in the wild?

https://github.com/llvm/llvm-project/pull/188731