mcrosier added a subscriber: mcrosier. ================ Comment at: lib/Target/AArch64/AArch64ISelDAGToDAG.cpp:2360 @@ -2325,1 +2359,3 @@ + SelectCMP_SWAP(Node); + return 0; case ISD::READ_REGISTER: ---------------- return nullptr; http://reviews.llvm.org/D16239