[PATCH] D50827: [DAGCombiner] Don't reassociate operations that have the vector reduction flag set.

[Craig Topper via Phabricator via llvm-commits]

craig.topper updated this revision to Diff 161091.
craig.topper added a comment.

Rebase and fix review comment


https://reviews.llvm.org/D50827

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/X86/sad.ll

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