Function AddPrefixToNodeName

tensorflow/core/grappler/utils.cc:184–192

bool IsControlInput(const TensorId& tensor_id) { return tensor_id.index() < 0; }

string AddPrefixToNodeName(const string& name, const string& prefix,
                           const string& delimiter) {
  if (!name.empty()) {
    if (name[0] == '^') {
      return absl::StrCat("^", prefix, delimiter, name.substr(1));
    }
  }
  return absl::StrCat(prefix, delimiter, name);
}

string AddPrefixToNodeName(const string& name, const string& prefix) {
  return AddPrefixToNodeName(name, prefix, "/");