[llvm] [InstCombine] Teach foldSelectOpOp about samesign (PR #122723)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

Thanks for the test case @alexfh. May I request that you run the IR through metarenamer, create a new issue, and assign it to me, so we don't lose track of it? In the meantime, I think a revert is okay, and have left a comment on #124123.

https://github.com/llvm/llvm-project/pull/122723