[llvm] [InstCombine] Factorise add/sub and max/min using distributivity (PR #101507)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

With one-use check, this patch doesn't change anything :(

I think we should handle the interesting cases I listed in https://github.com/llvm/llvm-project/issues/92433#issuecomment-2117064459 first.


https://github.com/llvm/llvm-project/pull/101507