[PATCH] D149699: [InstCombine] Improve bswap optimization

[Austin Chang via Phabricator via llvm-commits]

austin880625 added a comment.

I'm not able to reproduce the failure with the given IR. Does the failure persist if the `and` in the `bswap` are moved out as a separate instruction?
Anyway maybe we should use `dyn_cast` with `if` check


Repository:
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https://reviews.llvm.org/D149699