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

[Gaëtan Bossu via llvm-commits]

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gbossu wrote:

I'm a bit confused and I need to refresh my C++ I guess. Doesn't `auto [Current, OpNumber]` mean that these are copies? Are we really overwriting `Current` and `OpNumber` inside their respective arrays?

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