[PATCH] D124772: [DAGCombine] Fold A + (B & ~A) to A | B

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon May 2 10:12:51 PDT 2022


RKSimon added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:2842
+      return DAG.getNode(ISD::OR, DL, VT, N0, N1.getOperand(0));
+  }
+
----------------
Similar question to D124763 - can this be done in SelectionDAG::haveNoCommonBitsSet?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124772/new/

https://reviews.llvm.org/D124772



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