diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 6eb6570..a2b575f 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1167,6 +1167,8 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT, if (VT == Operand.getValueType()) return Operand; // noop conversion. if (OpOpcode == ISD::BIT_CONVERT) // bitconv(bitconv(x)) -> bitconv(x) return getNode(ISD::BIT_CONVERT, VT, Operand.getOperand(0)); + if (OpOpcode == ISD::UNDEF) + return getNode(ISD::UNDEF, VT); break; case ISD::SCALAR_TO_VECTOR: assert(MVT::isVector(VT) && !MVT::isVector(Operand.getValueType()) && |