[PATCH] D112467: [SLP]Do not reorder reduction nodes.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.

LGTM - cheers



================
Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:3065
   }
+  // If the reordering is free, just remove the reorder.
+  if (IgnoreReorder && !VectorizableTree.front()->ReorderIndices.empty() &&
----------------
If the reordering is unnecessary, just remove the reorder.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112467/new/

https://reviews.llvm.org/D112467