[llvm] [InstSimplify] Provide information about the range of possible values that `ucmp`/`scmp` can return (PR #96410)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Do you have a plan to fold some existing patterns into `ucmp/scmp`?


https://github.com/llvm/llvm-project/pull/96410