[llvm] [ValueTracking] Handle not cond to assume. (PR #127140)

[Nikita Popov via llvm-commits]

nikic wrote:

> I maybe missunderstad your question but is that not already done

I'm suggesting to do that not just for direct assume arguments, but for all instructions. I assume this will have some kind of negative fallout, but I'd like to understand what it is.

https://github.com/llvm/llvm-project/pull/127140