[PATCH] D57302: [DAGCombine] More diamond carry pattern optimization.

[Amaury SECHET via Phabricator via llvm-commits]

deadalnix updated this revision to Diff 200018.
deadalnix added a comment.

Rebase.

This is important to be able to make the carry propagation path canonical to be able to optimise large ineteger computation further. I would really appreciate if tis could move forward as this is gating a lot of work.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57302/new/

https://reviews.llvm.org/D57302

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

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