%19 = "tf.Reshape"(%18, %7) : (tensor<2x1001xf32>, tensor<2xi32>) -> tensor<2x1001xf32>
    %loss, %backprop = "tf.SparseSoftmaxCrossEntropyWithLogits"(%19, %13) : (tensor<2x1001xf32>, tensor<2xi64>) -> (tensor<2xf32>, tensor<2x1001xf32>)
    %20 = "tf.Sum"(%loss, %6) {keep_dims = false} : (tensor<2xf32>, tensor<1xi32>) -> tensor<f32>

FunctionsAcceptingNoneForIndicesMap() {
  static auto* const m =
      new std::unordered_map<string, std::unordered_set<int>>({
          {"SoftmaxCrossEntropyWithLogits", {1}},
          {"SparseSoftmaxCrossEntropyWithLogits", {1}},
          {"FusedBatchNorm", {1, 2, 3, 4}},
      });
  return m;
}

}  // namespace

// If over kMinAggregateCount gradients are accumulated and the total