[PATCH] D73480: [VectorCombine] new IR transform pass for partial vector ops

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 28 08:49:24 PST 2020


RKSimon added a comment.

Thanks for working on this @spatel - I'm interested to see how far we can take cost driven combines (without conflicting with canonicalizations in other passes).

You mention that you want this to begin as a relatively safe set of combines, but it's probably necessary to get some idea of where you see this going and the range of optimizations it could handle (for instance - are memory ops being considered......)?


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