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

[Steven Johnson via llvm-commits]

steven-johnson wrote:

Testing now.

On Fri, May 31, 2024 at 6:44 AM Simon Pilgrim ***@***.***>
wrote:

> @steven-johnson <https://github.com/steven-johnson> Please can you tell
> me if b52962d
> <https://github.com/llvm/llvm-project/commit/b52962d1b89ca9102a89497743b7576d572b437e>
> addresses your perf regression?
>
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https://github.com/llvm/llvm-project/pull/92794