Merge pull request #307 from ROCmSoftwarePlatform/stop_gradient_op

Stop gradient op

src/tf/tf.cpp

@@ -155,6 +155,7 @@ struct tf_parser
         add_generic_op("Relu", op::relu{});
         add_generic_op("Relu6", op::clip{6.0, 0.0});
         add_generic_op("Tanh", op::tanh{});
+        add_generic_op("StopGradient", op::identity{});
 
         add_binary_op("Add", op::add{});
         add_binary_op("Mul", op::mul{});

test/tf/stopgradient_test.pb

+
+:
+
0Placeholder*
+dtype0
*
+shape:

+(
+stopgradientStopGradient
0*
+
T0
"
\ No newline at end of file

test/tf/tf_test.cpp

@@ -374,6 +374,16 @@ TEST_CASE(squeeze_test)
     EXPECT(p == prog);
 }
 
+TEST_CASE(stopgradient_test)
+{
+    migraphx::program p;
+    auto l0 = p.add_parameter("0", migraphx::shape{migraphx::shape::float_type, {1, 3, 16, 16}});
+    p.add_instruction(migraphx::op::identity{}, l0);
+    auto prog = optimize_tf("stopgradient_test.pb", false);
+
+    EXPECT(p == prog);
+}
+
 TEST_CASE(stridedslice_test)
 {
     migraphx::program p;