diff --git a/utils/TableGen/DAGISelMatcherGen.cpp b/utils/TableGen/DAGISelMatcherGen.cpp
index b22fa875e06..88a4a684f0c 100644
--- a/utils/TableGen/DAGISelMatcherGen.cpp
+++ b/utils/TableGen/DAGISelMatcherGen.cpp
@@ -535,7 +535,7 @@ void MatcherGen::EmitResultLeafAsOperand(const TreePatternNode *N,
     // in COPY_TO_SUBREG instructions.
     if (DI->getDef()->isSubClassOf("RegisterClass")) {
       std::string Value = getQualifiedName(DI->getDef()) + "RegClassID";
-      AddMatcherNode(new EmitStringIntegerMatcherNode(Value, N->getTypeNum(0)));
+      AddMatcherNode(new EmitStringIntegerMatcherNode(Value, MVT::i32));
       ResultOps.push_back(NextRecordedOperandNo++);
       return;
     }