[PATCH] D30866: [X86] Recognize AVX2 gather instructions during lowering so we can modify the source input when the mask is all ones

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 13 11:48:32 PDT 2017

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craig.topper closed this revision.
craig.topper added a comment.

I've modified this to force the input to zero when the mask is all ones to break the execution dependency. I'll file a bug to look at using ExeDepsFix.


https://reviews.llvm.org/D30866

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