diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4550,6 +4550,9 @@
 
   unsigned OpOpcode = Operand.getNode()->getOpcode();
   switch (Opcode) {
+  case ISD::FREEZE:
+    assert(VT == Operand.getValueType() && "Unexpected VT!");
+    break;
   case ISD::TokenFactor:
   case ISD::MERGE_VALUES:
   case ISD::CONCAT_VECTORS: