Add experimental grappler plugin to selection function implementation at run time.

PiperOrigin-RevId: 212321238

2 files changed, 19 insertions, 0 deletions

diff --git a/tensorflow/core/framework/function_testlib.cc b/tensorflow/core/framework/function_testlib.cc
index 46b169dddc..c5a4f661d2 100644
--- a/tensorflow/core/framework/function_testlib.cc
+++ b/tensorflow/core/framework/function_testlib.cc
@@ -110,6 +110,22 @@ FunctionDef XTimesTwo() {
       });
 }
 
+FunctionDef XAddX() {
+  return FDH::Define(
+      // Name
+      "XAddX",
+      // Args
+      {"x: T"},
+      // Return values
+      {"y: T"},
+      // Attr def
+      {"T: {float, double, int32, int64}"},
+      // Nodes
+      {
+          {{"y"}, "Add", {"x", "x"}, {{"T", "$T"}}},
+      });
+}
+
 FunctionDef XTimesTwoInt32() {
   const Tensor kTwo = test::AsScalar<int64>(2);
   return FDH::Define(
diff --git a/tensorflow/core/framework/function_testlib.h b/tensorflow/core/framework/function_testlib.h
index 6d6476b936..ad61a76f16 100644
--- a/tensorflow/core/framework/function_testlib.h
+++ b/tensorflow/core/framework/function_testlib.h
@@ -63,6 +63,9 @@ GraphDef GDef(gtl::ArraySlice<NodeDef> nodes,
 // x:T -> x * 2.
 FunctionDef XTimesTwo();
 
+// x:T -> x + x.
+FunctionDef XAddX();
+
 // x:T -> x * 2, where x is int32.
 FunctionDef XTimesTwoInt32();