fix compile error

paddle/framework/CMakeLists.txt

@@ -19,10 +19,10 @@ cc_test(op_desc_test SRCS op_desc_test.cc DEPS op_desc protobuf)
 cc_library(operator SRCS operator.cc DEPS op_desc device_context tensor)
 cc_test(operator_test SRCS operator_test.cc DEPS operator op_registry)
 
-cc_library(grad_op_creator SRCS grad_op_creator.cc DEPS op_proto operator)
-cc_library(op_registry SRCS op_registry.cc DEPS op_desc grad_op_creator)
+cc_library(grad_op_builder SRCS grad_op_builder.cc DEPS op_proto operator)
+cc_library(op_registry SRCS op_registry.cc DEPS op_desc grad_op_builder)
 cc_test(op_registry_test SRCS op_registry_test.cc DEPS op_registry)
-cc_test(grad_op_creator_test SRCS grad_op_creator_test.cc DEPS grad_op_creator op_registry add_op)
+cc_test(grad_op_builder_test SRCS grad_op_builder_test.cc DEPS grad_op_builder op_registry add_op)
 
 py_proto_compile(framework_py_proto SRCS attr_type.proto op_proto.proto op_desc.proto)
 # Generate an empty __init__.py to make framework_py_proto as a valid python module.

paddle/framework/grad_op_builder.cc

@@ -20,7 +20,7 @@ namespace framework {
 
 OperatorBase* GradOpBuilder::Build() {
   BuildOpInOutArgList();
-  std::string grad_op_type = OpRegistry::grad_ops().at(op->type_);
+  std::string grad_op_type = OpRegistry::grad_ops().at(op_->type_);
   OperatorBase* grad_op = OpRegistry::op_creators().at(grad_op_type)();
   grad_op->type_ = grad_op_type;
   CompleteGradOp(grad_op);

paddle/framework/grad_op_builder_test.cc

@@ -1,4 +1,4 @@
-#include "paddle/framework/grad_op_creator.h"
+#include "paddle/framework/grad_op_builder.h"
 #include <gtest/gtest.h>
 #include "paddle/framework/op_registry.h"
 #include "paddle/framework/operator.h"
@@ -8,7 +8,7 @@ USE_OP(add_two);
 namespace paddle {
 namespace framework {
 
-TEST(GradOpCreator, AddTwo) {
+TEST(GradOpBuilder, AddTwo) {
   std::shared_ptr<OperatorBase> add_op(
       OpRegistry::CreateOp("add_two", {"x", "y"}, {"out"}, {}));
   std::shared_ptr<OperatorBase> grad_add_op = OpRegistry::CreateGradOp(add_op);

paddle/framework/op_registry.h

@@ -20,7 +20,7 @@ limitations under the License. */
 #include <unordered_map>
 #include <unordered_set>
 #include "paddle/framework/attr_checker.h"
-#include "paddle/framework/grad_op_creator.h"
+#include "paddle/framework/grad_op_builder.h"
 #include "paddle/framework/op_desc.pb.h"
 #include "paddle/framework/scope.h"