diff --git a/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp b/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
--- a/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
@@ -703,7 +703,7 @@
                                                      SelectionDAG &DAG) const {
   SDValue Chain = Op.getOperand(0);
   SDLoc dl(Op);
-  SDVTList VTs = DAG.getVTList(MVT::i32, MVT::Other);
+  SDVTList VTs = DAG.getVTList(MVT::i64, MVT::Other);
   return DAG.getNode(HexagonISD::READCYCLE, dl, VTs, Chain);
 }