[PATCH] D57317: [DAGCombine] Deduplicate addcarry node using commutativity.

Amaury SECHET via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 8 07:15:27 PST 2019


deadalnix added a comment.

@RKSimon This can go now, but has no effect in isolation in any of the test cases I have, mainly because DAGCombine is fairly powerless when faced with addcarry as most of the work involve 'deep' patterns. Do you think I should land anyways ?


Repository:
  rL LLVM

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  https://reviews.llvm.org/D57317/new/

https://reviews.llvm.org/D57317





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