[PATCH] D38586: SLPVectorizer.cpp: Avoid std::stable_sort() due to asymmetric comparator
Davide Italiano via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 5 15:04:19 PDT 2017
davide added a comment.
In https://reviews.llvm.org/D38586#889903, @dberlin wrote:
> We sort siblings by RPO in newgvn. If you want to guarantee parent before child, however, just sort by the dominator tree dfs in and out numbers.
+1, yes, that's where I got the idea from :)
Repository:
rL LLVM
https://reviews.llvm.org/D38586
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