diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 2666951..1a0c902 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3051,7 +3051,8 @@
     }
 
     case OPC_EmitMergeInputChains1_0:    // OPC_EmitMergeInputChains, 1, 0
-    case OPC_EmitMergeInputChains1_1: {  // OPC_EmitMergeInputChains, 1, 1
+    case OPC_EmitMergeInputChains1_1:    // OPC_EmitMergeInputChains, 1, 1
+    case OPC_EmitMergeInputChains1_2: {  // OPC_EmitMergeInputChains, 1, 2
       // These are space-optimized forms of OPC_EmitMergeInputChains.
       assert(!InputChain.getNode() &&
              "EmitMergeInputChains should be the first chain producing node");
@@ -3059,7 +3060,7 @@
              "Should only have one EmitMergeInputChains per match");
 
       // Read all of the chained nodes.
-      unsigned RecNo = Opcode == OPC_EmitMergeInputChains1_1;
+      unsigned RecNo = Opcode - OPC_EmitMergeInputChains1_0;
       assert(RecNo < RecordedNodes.size() && "Invalid EmitMergeInputChains");
       ChainNodesMatched.push_back(RecordedNodes[RecNo].first.getNode());