[PATCH] D102748: [LoopUnroll] Don't unroll before vectorisation

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer added a comment.

Thanks for raising that one. It feels like the number of missed opportunities is endless. From the discussion here however, my impression was that there's very little appetite to skip the full unroller at this point and that running the LV before the full unroller would involve quite some surgery in the optimisation pipeline. My take away was that trying to improve the SLP was probably more low hanging fruit. Thus, I was thinking about abandoning this change....


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https://reviews.llvm.org/D102748