Location loc);

// Scatters elements into buffer, where each scattered element is accumulated
// with the old value in buffer.
Value ScatterAccumulateElements(Value indices, Value updates, Value buffer,
                                OpBuilder builder, Location loc);

}  // namespace collection_ops_util
}  // namespace TF
}  // namespace mlir

  return builder.create<TF::GatherV2Op>(
      loc, ArrayRef<Type>{result_type},
      ArrayRef<Value>{buffer, indices, CreateScalarConst(0, builder, loc)});
}

Value ScatterAccumulateElements(Value indices, Value updates, Value buffer,
                                OpBuilder builder, Location loc) {
  auto buffer_type = mlir::cast<RankedTensorType>(buffer.getType());

    return scatter.emitOpError("unknown tensor array");
  }
  OpBuilder builder(scatter);
  auto buffer = cutil::ReadLocalVariable(local_var, builder, scatter.getLoc());
  buffer =
      cutil::ScatterAccumulateElements(scatter.getIndices(), scatter.getValue(),
                                       buffer, builder, scatter.getLoc());
  cutil::WriteLocalVariable(local_var, buffer, builder, scatter.getLoc());