[PATCH] D47735: [DAGCombiner] Create rotates more aggressively

Krzysztof Parzyszek via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 21 10:45:29 PDT 2019


kparzysz added a comment.

There can be many changes to the compiled code between the IR combiner and the DAG combiner, so these patterns can certainly appear before DAG combining takes place.  Also, we already combine for rotates in the DAG, this patch only makes it more comprehensive.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D47735/new/

https://reviews.llvm.org/D47735





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