[PATCH] D63829: [InstCombine] Shift amount reassociation in bittest (PR42399)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

To answer the obvious question, no, i don't believe we can preserve `nuw`/`nsw`/`exact` flags here.


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  rL LLVM

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  https://reviews.llvm.org/D63829/new/

https://reviews.llvm.org/D63829