diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp b/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp index 74d66516321..3927a977e6f 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp +++ b/llvm/lib/Target/SystemZ/SystemZISelDAGToDAG.cpp @@ -1497,8 +1497,9 @@ void SystemZDAGToDAGISel::Select(SDNode *Node) { if (ChildOpcode == ISD::AND || ChildOpcode == ISD::OR || ChildOpcode == ISD::XOR) break; - // Check whether this expression matches OR-with-complement. - if (Opcode == ISD::OR && ChildOpcode == ISD::XOR) { + // Check whether this expression matches OR-with-complement + // (or matches an alternate pattern for NXOR). + if (ChildOpcode == ISD::XOR) { auto Op0 = Node->getOperand(0); if (auto *Op0Op1 = dyn_cast<ConstantSDNode>(Op0->getOperand(1))) if (Op0Op1->getZExtValue() == (uint64_t)-1) |
