[llvm] [VectorCombine] Fold Deinterleave/Interleave Pairs (PR #211022)

[Benjamin Maxwell via llvm-commits]

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MacDue wrote:

note: I think this is a little redundant as  `isTriviallyVectorizable` implies the intrinsic has a scalar form, which `vector.interleave` does not as it's only for vectors.  

https://github.com/llvm/llvm-project/pull/211022