[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.
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rL LLVM
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https://reviews.llvm.org/D47735/new/
https://reviews.llvm.org/D47735
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