Output enter =
      ops::internal::Enter(root.WithOpName("enter"), a, "only_frame");
  Output exit = ops::internal::Exit(root.WithOpName("exit"), enter);
  Output b = ops::Add(root.WithOpName("b"), a, exit);

  FixupSourceAndSinkEdges(root.graph());

  GraphCycles cycles;
  TF_ASSERT_OK(CreateCycleDetectionGraph(root.graph(), &cycles).status());
  EXPECT_FALSE(cycles.CanContractEdge(a.node()->id(), b.node()->id()));
}

    if (n->requested_device().empty()) {
      n->set_assigned_device_name(kCpuDevice);
    } else {
      n->set_assigned_device_name(n->requested_device());
    }
  }

  FixupSourceAndSinkEdges(graph.get());

  GraphOptimizationPassWrapper wrapper;
  GraphOptimizationPassOptions opt_options =
      wrapper.CreateGraphOptimizationPassOptions(&graph);
  opt_options.flib_def = &flib_def;

    TF_RETURN_IF_ERROR(
        RewriteSlice(g, n, *slice_inputs, *GetXlaClusterForNode(*n)));
  }

  if (!slices_to_rewrite.empty()) {
    // We've added constants to the graph; hook them up to _SOURCE.
    FixupSourceAndSinkEdges(g);
  }

  *changed = !slices_to_rewrite.empty();

  return absl::OkStatus();
}
}  // namespace

Status IncreaseDynamismForAutoJitPass::Run(

  for (Operation& inst : graph_op.GetBody()) {
    TF_RETURN_IF_ERROR(exporter.AddEdge(&inst));
  }
  // Fixes the edges between the inserted nodes and special "_SOURCE" and
  // "_SINK".
  FixupSourceAndSinkEdges(graph.get());

  FixupInputNamesFromEdges(graph.get());

  TF_RETURN_IF_ERROR(
      exporter.GetControlRetNodes(graph_op.GetFetch(), control_ret_nodes));

  return graph;
}

  for (Operation& inst : graph_op.GetBody()) {
    TF_RETURN_IF_ERROR(exporter.AddEdge(&inst));
  }
  // Fixes the edges between the inserted nodes and special "_SOURCE" and
  // "_SINK".
  FixupSourceAndSinkEdges(graph.get());

  FixupInputNamesFromEdges(graph.get());

  TF_RETURN_IF_ERROR(
      exporter.GetControlRetNodes(graph_op.GetFetch(), control_ret_nodes));

  return graph;
}