//*****************************************************************************
// Copyright 2017-2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************

#pragma once

#include "ngraph/pass/graph_rewrite.hpp"

namespace ngraph
{
    namespace runtime
    {
        namespace plaidml
        {
            namespace pass
            {
                class ConcatElision;
            }
        }
    }
}

// A pass to elide unnecessary concats:
//
// ) Concats with a single input and single output can be entitely
//   elided.
//
// ) Concats with multiples of the same input can be replaced by
//   Replicate.
class ngraph::runtime::plaidml::pass::ConcatElision final : public ngraph::pass::GraphRewrite
{
public:
    ConcatElision();
};
