diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index 75780c4d3ed..228f6bff5fa 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -2547,6 +2547,7 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) {
      << "  default: break;\n"
      << "  case ISD::EntryToken:       // These leaves remain the same.\n"
      << "  case ISD::BasicBlock:\n"
+     << "  case ISD::Register:\n"
      << "    return N;\n"
      << "  case ISD::AssertSext:\n"
      << "  case ISD::AssertZext: {\n"