[PATCH] D82953: [ARM][MVE] Only tail-fold integer add reductions

Sjoerd Meijer via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 13 09:25:33 PDT 2020


SjoerdMeijer updated this revision to Diff 277460.
SjoerdMeijer added a comment.

After our last discussion on this, we agreed that tail-folding should be disabled by default (which it is),  that the only reductions that we want at this point are integer add reductions (added in this patch), and that we can control enabling/disabling reductions with an option (added in D83133 <https://reviews.llvm.org/D83133>). I thought this is what we all believed in. :)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82953/new/

https://reviews.llvm.org/D82953

Files:
  llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
  llvm/test/Transforms/LoopVectorize/ARM/tail-loop-folding.ll

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