[llvm] [VectorCombine] fold fptoui(fdiv(uitofp(x),uitofp(y))) into udiv(x,y) (PR #214844)

[Yingwei Zheng via llvm-commits]

https://github.com/dtcxzyw requested changes to this pull request.

A correctness issue was identified by [llvm-hackme](https://github.com/dtcxzyw/llvm-hackme). Please see the [issue comment](https://github.com/llvm/llvm-project/pull/214844#issuecomment-5295205816) for details.

https://github.com/llvm/llvm-project/pull/214844