[PATCH] D70079: [SelectionDAG] Combine U{ADD,SUB}O diamonds into {ADD,SUB}CARRY

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 19 23:35:04 PST 2019

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craig.topper added a comment.

Why does Carry1's result 0 not get replaced for the xor/or case?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D70079/new/

https://reviews.llvm.org/D70079

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