[PATCH] D52548: Stop instcombining introducing undef's in div/rem instructions.

[Neil Henning via Phabricator via llvm-commits]

sheredom updated this revision to Diff 167436.
sheredom added a comment.

Changed the check to not ever push wider shufflevector stuff back onto predecessor instructions as per spatel's suggestion!


https://reviews.llvm.org/D52548

Files:
  lib/Transforms/InstCombine/InstCombineVectorOps.cpp
  test/Transforms/InstCombine/stop_bad_undef_propagation.ll

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