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

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 19 07:33:13 PDT 2018

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RKSimon added a comment.

Thinking about this again in terms of https://reviews.llvm.org/D47401 - would it be better to focus on making better use of TargetLowering::SimplifyDemandedVectorElts ?


Repository:
  rL LLVM

https://reviews.llvm.org/D44674

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