[llvm] [VectorCombine] Add Cmp and Select for shuffleToIdentity (PR #92794)

[Steven Johnson via llvm-commits]

steven-johnson wrote:

https://github.com/llvm/llvm-project/commit/b52962d1b89ca9102a89497743b7576d572b437e appears to address it, please let me know when it lands.

https://github.com/llvm/llvm-project/pull/92794