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

[via llvm-commits]

Xylecrack wrote:

Hi @RKSimon, is there any specific api to get back x from constant folded `uitofp(x)`, without creating a new `fptoui` instruction.

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