[llvm] [InstCombine] Relax the conditons of fold of `ucmp`/`scmp` into phi by allowing the phi node to use the result of `ucmp`/`scmp` more than once (PR #109593)

[Yingwei Zheng via llvm-commits]

https://github.com/dtcxzyw approved this pull request.

Confirmed that the original regression is fixed by this patch + https://github.com/llvm/llvm-project/pull/107314. Thank you!


https://github.com/llvm/llvm-project/pull/109593