[PATCH] D79041: [InstCombine] Fold or(zext(bswap(x)),shl(zext(bswap(y)),bw/2)) -> bswap(or(zext(x),shl(zext(y), bw/2))

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri accepted this revision.
lebedev.ri added a comment.
This revision is now accepted and ready to land.

This looks good to me, but i'm not sure this will work more generally.
I.e., i will be surprized if the `or` tree reaches us in the proper form,
without reassociation into some other form we aren't expecting.
Especially for larger tree depths.


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  rG LLVM Github Monorepo

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https://reviews.llvm.org/D79041