[llvm] [IR] Add `samesign` flag to icmp instruction (PR #111419)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> I will remove it, but I think tha LangRef mentions nuw/nsw, nneg, disjoint ...etc
> 
> So what do you think?

You don't need do anything. It is just reply to https://github.com/llvm/llvm-project/pull/111419#discussion_r1800270389.



https://github.com/llvm/llvm-project/pull/111419