return;
  }

  // New control inputs to be added. For an operation x, new_control_inputs[x]
  // contains all control inputs that need to be added to x as operands.
  llvm::DenseMap<Operation*, llvm::SmallVector<Value, 4>> new_control_inputs;
  // Iterate in reverse order to avoid invalidating Operation* stored in
  // new_control_inputs.
  for (auto& item :
       llvm::make_early_inc_range(llvm::reverse(graph_op.GetBody()))) {

  // inherit them from input)
  TF_Operation* control_inputs[100];
  int num_control_inputs = TF_OperationGetControlInputs(
      scalar3, control_inputs, TF_OperationNumControlInputs(scalar3));
  ASSERT_EQ(2, num_control_inputs);
  EXPECT_EQ(feed, control_inputs[0]);
  EXPECT_EQ(feed2, control_inputs[1]);

  num_control_inputs = TF_OperationGetControlInputs(
      feed3, control_inputs, TF_OperationNumControlInputs(feed3));