[llvm] [InstCombine] Fold `switch(rol(x, C1)) case C2:` to `switch(x) case rol(C2, -C1):` (PR #86307)

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Fri Mar 22 13:04:58 PDT 2024

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goldsteinn wrote:

LGTM.

https://github.com/llvm/llvm-project/pull/86307

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