1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala b/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala
index 7c9396cf..d8ae7322 100644
--- a/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala
+++ b/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala
@@ -57,6 +57,18 @@ object Examples {
     i1.in := i0.out
     out := i1.out
   }
+
+  @instantiable
+  class AddFour extends Module {
+    @public val in  = IO(Input(UInt(32.W)))
+    @public val out = IO(Output(UInt(32.W)))
+    @public val definition = Definition(new AddTwoMixedModules)
+    @public val i0 = Instance(definition)
+    @public val i1 = Instance(definition)
+    i0.in := in
+    i1.in := i0.out
+    out := i1.out
+  }
   @instantiable
   class AggregatePortModule extends Module {
     @public val io = IO(new Bundle {