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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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.
*/
#include "luci/Pass/ResolveCustomOpBatchMatMulPass.h"
#include <luci/IR/CircleNodes.h>
#include <luci/Profile/CircleNodeOrigin.h>
#include <flatbuffers/flexbuffers.h>
namespace
{
bool resolve_custom_op(luci::CircleCustom *cop)
{
const std::string custom_code = cop->custom_code();
const std::vector<uint8_t> custom_options = cop->custom_options();
if (custom_code == "BatchMatMulV2")
{
auto name = cop->name();
assert(name.length() > 0);
auto batch_matmul = cop->graph()->nodes()->create<luci::CircleBatchMatMul>();
// input
batch_matmul->x(cop->inputs(0));
batch_matmul->y(cop->inputs(1));
// TODO find much better way of parsing custom_options
// adj
auto map = flexbuffers::GetRoot(custom_options).AsMap();
batch_matmul->adj_x(map["adj_x"].AsBool());
batch_matmul->adj_y(map["adj_y"].AsBool());
batch_matmul->name(name + "/BatchMatMul");
luci::add_origin(batch_matmul, luci::get_origin(cop));
auto customOut = loco::succs(cop);
assert(customOut.size() == 1);
replace(*customOut.begin()).with(batch_matmul);
return true;
}
return false;
}
} // namespace
namespace luci
{
/**
* BEFORE
* | |
* [CircleNode] [CircleNode]
* \ /
* [CircleCustom]("BatchMatMulV2")
* |
* [CircleCustomOut]
* |
* [CircleNode]
* |
*
* AFTER
* | |
* [CircleNode] [CircleNode]
* \ /
* [CircleBatchMatMul]
* |
* [CircleNode]
* |
*/
bool ResolveCustomOpBatchMatMulPass::run(loco::Graph *g)
{
bool changed = false;
for (auto node : loco::active_nodes(loco::output_nodes(g)))
{
auto cop = dynamic_cast<luci::CircleCustom *>(node);
if (not cop)
continue;
if (resolve_custom_op(cop))
changed = true;
}
return changed;
}
} // namespace luci
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