[PATCH] D154533: [DAG] Improve carry reconstruction in combineCarryDiamond.

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix created this revision.
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The gain is usually suffiscient to go the extra mile and reconstruct a carry in some cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D154533

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/addcarry.ll

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