[llvm] [InstSimplify] Fold expression using basic properties of floor and ceiling function (PR #107107)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> Hi @dtcxzyw, could you help me verify if the transformation in the patch has any real-world use cases?

This pattern is simple so I think it is ok to handle this regardless of its real-world usefulness.


https://github.com/llvm/llvm-project/pull/107107