added gpu test for pooling with autopad

test/gpu/miopen.cpp

@@ -953,6 +953,22 @@ struct test_pad
     }
 };
 
+struct test_pooling_autopad
+{
+    migraphx::program create_program() const
+    {
+        migraphx::program p;
+        migraphx::shape s0{migraphx::shape::float_type, {1, 3, 63, 63}};
+        auto l0 = p.add_parameter("x", s0);
+        migraphx::op::pooling op{"max"};
+        op.padding_mode = migraphx::op::padding_mode_t::same;
+        op.lengths = {2, 2};
+        op.stride = {2, 2};
+        p.add_instruction(op, l0);
+        return p;
+    }
+};
+
 struct test_gather
 {
     migraphx::program create_program() const
@@ -1070,6 +1086,7 @@ struct test_conv_bn_relu_pooling2
 
 int main()
 {
+    verify_program<test_pooling_autopad>();
     verify_program<test_abs>();
     verify_program<test_concat>();
     verify_program<test_concat2>();