diff --git a/include/llvm/Intrinsics.td b/include/llvm/Intrinsics.td
index 95fd8430511..e4bb1696224 100644
--- a/include/llvm/Intrinsics.td
+++ b/include/llvm/Intrinsics.td
@@ -161,10 +161,11 @@ def llvm_vararg_ty     : LLVMType<isVoid>;   // this means vararg here
 //    intrinsic.
 //  * Properties can be set to describe the behavior of the intrinsic.
 //
+class SDPatternOperator;
 class Intrinsic<list<LLVMType> ret_types,
                 list<LLVMType> param_types = [],
                 list<IntrinsicProperty> properties = [],
-                string name = ""> {
+                string name = ""> : SDPatternOperator {
   string LLVMName = name;
   string TargetPrefix = "";   // Set to a prefix for target-specific intrinsics.
   list<LLVMType> RetTypes = ret_types;