diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 33b046c..b388d83 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -665,6 +665,7 @@
   for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
     SDOperand Op = N->getOperand(i);
     if (Op.getOpcode() == ISD::TokenFactor && Op.hasOneUse()) {
+      AddToWorkList(Op.Val);  // Remove dead node.
       Changed = true;
       for (unsigned j = 0, e = Op.getNumOperands(); j != e; ++j)
         Ops.push_back(Op.getOperand(j));