diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index d542ea13f777..2b00b8568705 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -1361,6 +1361,9 @@ public:
   /// aliasing rules.
   bool isUnordered() const { return MMO->isUnordered(); }
 
+  /// Returns true if the memory operation is neither atomic or volatile.
+  bool isSimple() const { return !isAtomic() && !isVolatile(); }
+
   /// Return the type of the in-memory value.
   EVT getMemoryVT() const { return MemoryVT; }