4562       // Object clone().
4563       if (is_virtual) {
4564         generate_virtual_guard(obj_klass, slow_region);
4565       }
4566 
4567       // The object must be cloneable and must not have a finalizer.
4568       // Both of these conditions may be checked in a single test.
4569       // We could optimize the cloneable test further, but we don't care.
4570       generate_access_flags_guard(obj_klass,
4571                                   // Test both conditions:
4572                                   JVM_ACC_IS_CLONEABLE | JVM_ACC_HAS_FINALIZER,
4573                                   // Must be cloneable but not finalizer:
4574                                   JVM_ACC_IS_CLONEABLE,
4575                                   slow_region);
4576     }
4577 
4578     if (!stopped()) {
4579       // It's an instance, and it passed the slow-path tests.
4580       PreserveJVMState pjvms(this);
4581       Node* obj_size  = NULL;
4582       Node* alloc_obj = new_instance(obj_klass, NULL, &obj_size);



4583 
4584       copy_to_clone(obj, alloc_obj, obj_size, false, !use_ReduceInitialCardMarks());
4585 
4586       // Present the results of the slow call.
4587       result_reg->init_req(_instance_path, control());
4588       result_val->init_req(_instance_path, alloc_obj);
4589       result_i_o ->set_req(_instance_path, i_o());
4590       result_mem ->set_req(_instance_path, reset_memory());
4591     }
4592 
4593     // Generate code for the slow case.  We make a call to clone().
4594     set_control(_gvn.transform(slow_region));
4595     if (!stopped()) {
4596       PreserveJVMState pjvms(this);
4597       CallJavaNode* slow_call = generate_method_call(vmIntrinsics::_clone, is_virtual);
4598       Node* slow_result = set_results_for_java_call(slow_call);
4599       // this->control() comes from set_results_for_java_call
4600       result_reg->init_req(_slow_path, control());
4601       result_val->init_req(_slow_path, slow_result);
4602       result_i_o ->set_req(_slow_path, i_o());

4562       // Object clone().
4563       if (is_virtual) {
4564         generate_virtual_guard(obj_klass, slow_region);
4565       }
4566 
4567       // The object must be cloneable and must not have a finalizer.
4568       // Both of these conditions may be checked in a single test.
4569       // We could optimize the cloneable test further, but we don't care.
4570       generate_access_flags_guard(obj_klass,
4571                                   // Test both conditions:
4572                                   JVM_ACC_IS_CLONEABLE | JVM_ACC_HAS_FINALIZER,
4573                                   // Must be cloneable but not finalizer:
4574                                   JVM_ACC_IS_CLONEABLE,
4575                                   slow_region);
4576     }
4577 
4578     if (!stopped()) {
4579       // It's an instance, and it passed the slow-path tests.
4580       PreserveJVMState pjvms(this);
4581       Node* obj_size  = NULL;
4582       // Need to deoptimize on exception from allocation since Object.clone intrinsic
4583       // is reexecuted if deoptimization occurs and there could be problems when merging
4584       // exception state between multiple Object.clone versions (reexecute=true vs reexecute=false).
4585       Node* alloc_obj = new_instance(obj_klass, NULL, &obj_size, /*deoptimize_on_exception=*/true);
4586 
4587       copy_to_clone(obj, alloc_obj, obj_size, false, !use_ReduceInitialCardMarks());
4588 
4589       // Present the results of the slow call.
4590       result_reg->init_req(_instance_path, control());
4591       result_val->init_req(_instance_path, alloc_obj);
4592       result_i_o ->set_req(_instance_path, i_o());
4593       result_mem ->set_req(_instance_path, reset_memory());
4594     }
4595 
4596     // Generate code for the slow case.  We make a call to clone().
4597     set_control(_gvn.transform(slow_region));
4598     if (!stopped()) {
4599       PreserveJVMState pjvms(this);
4600       CallJavaNode* slow_call = generate_method_call(vmIntrinsics::_clone, is_virtual);
4601       Node* slow_result = set_results_for_java_call(slow_call);
4602       // this->control() comes from set_results_for_java_call
4603       result_reg->init_req(_slow_path, control());
4604       result_val->init_req(_slow_path, slow_result);
4605       result_i_o ->set_req(_slow_path, i_o());