diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 0d137ebba23..71df6f8b770 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -441,6 +441,10 @@ raw_ostream &llvm::operator<<(raw_ostream &OS, const MachineMemOperand &MMO) {
     OS << ")";
   }
 
+  // Print nontemporal info.
+  if (MMO.isNonTemporal())
+    OS << "(nontemporal)";
+
   return OS;
 }