[PATCH] D53289: [DAGCombiner] Limit the number of chains in findBetterChains().

[Clement Courbet via Phabricator via llvm-commits]

courbet added a comment.

For reference: compile times for insane block sizes with and without this patch. Y is seconds, X is `#stores/3`.

F7412096: r6VTSCv0eTQ.png <https://reviews.llvm.org/F7412096>


Repository:
  rL LLVM

https://reviews.llvm.org/D53289