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

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 207928.
deadalnix added a parent revision: D33587: [DAGCombine] Do several rounds of combine..
deadalnix added a comment.

Rebased on top of D64174 <https://reviews.llvm.org/D64174> , which expose many instances of this pattern.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57317/new/

https://reviews.llvm.org/D57317

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

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D57317.207928.patch
Type: text/x-patch
Size: 5229 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20190704/bbaea262/attachment.bin>