[PATCH] D37896: [DAGCombine] Resolving PR34474 by transforming mul(x, 2^c +/- 1) -> sub/add(shl(x, c) x) for any type including vector types

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 25 06:51:51 PST 2018

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RKSimon added a comment.

@pacxx Are you still looking at this?


https://reviews.llvm.org/D37896

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