- fix

paddle/fluid/operators/mkldnn/caching_tests.cmake

-cc_test(test_mkldnn_caching SRCS mkldnn/test_mkldnn_caching.cc DEPS op_registry elementwise_mul_op elementwise_add_op activation_op softmax_op softmax scope device_context enforce)
+cc_test(test_mkldnn_caching SRCS mkldnn/test_mkldnn_caching.cc DEPS op_registry elementwise_mul_op elementwise_add_op activation_op softmax_op conv2d_op softmax scope device_context enforce)

paddle/fluid/operators/mkldnn/test_mkldnn_caching.cc

@@ -33,6 +33,8 @@ USE_OP(relu);
 USE_OP_DEVICE_KERNEL(relu, MKLDNN);
 USE_OP(softmax);
 USE_OP_DEVICE_KERNEL(softmax, MKLDNN);
+USE_OP(conv2d);
+USE_OP_DEVICE_KERNEL(conv2d, MKLDNN);
 
 namespace paddle {
 namespace operators {