[llvm] [DAG] fold avgu(zext(x), zext(y)) -> zext(avgu(x, y)) (PR #95134)

[Jay Foad via llvm-commits]

jayfoad wrote:

Any plans to do avgs(sext(x), sext(y)) -> sext(avgs(x, y)) ?

https://github.com/llvm/llvm-project/pull/95134