[llvm] [SelectOpt] Add handling for Select-like operations. (PR #77284)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

Thanks for working on this! I will take this patch, see how it behaves on the Neoverse V2, and will let you know soon.

https://github.com/llvm/llvm-project/pull/77284