[PATCH] D44674: [X86] Recognize horizontal reduction trees and narrow the width of the later binops.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 19 10:20:13 PDT 2018

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craig.topper added a comment.

I'm not sure SimplifyDemandedElts can do it as it currently exists. All the arithmetic nodes have two users. SimplifyDemandedElts can't handle that can it?


Repository:
  rL LLVM

https://reviews.llvm.org/D44674

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