[llvm] [InstCombine] Fold shift of boolean zext to logic sequence (PR #180596)

[Gergo Stomfai via llvm-commits]

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stomfaig wrote:

Thanks for pointing this out.

It seems that some binops (e.g. `and`) are already capable folding all their input patterns (with `sext`/`zext`/`select`). I will not add any tests there.

https://github.com/llvm/llvm-project/pull/180596