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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/Service/Validate.h"
#include <luci/IR/Nodes/CircleOutput.h>
#include <luci/Log.h>
#include <loco/IR/NodeShape.h>
#include <loco/Service/ShapeInference.h>
#include <loco/Service/TypeInference.h>
#include <cassert>
#include <vector>
namespace
{
/**
* @brief returns a node that is CircleOutput with index is out_index in nodes
*/
luci::CircleOutput *find_node(std::vector<loco::Node *> nodes, loco::GraphOutputIndex out_index)
{
for (auto node : nodes)
{
auto circle_output = dynamic_cast<luci::CircleOutput *>(node);
if (circle_output != nullptr)
{
if (circle_output->indexed() && circle_output->index() == out_index)
return circle_output;
}
}
return nullptr;
}
bool validate_shape_type(loco::Graph *g)
{
LOGGER(l);
auto output_nodes = loco::output_nodes(g);
auto count = g->outputs()->size();
for (uint32_t out = 0; out < count; ++out)
{
auto graph_out = g->outputs()->at(out);
auto out_index = graph_out->index();
auto circle_output = find_node(output_nodes, out_index);
assert(circle_output != nullptr);
assert(circle_output->from() != nullptr);
auto circle_node = dynamic_cast<luci::CircleNode *>(circle_output->from());
assert(circle_node != nullptr);
assert(loco::shape_known(circle_node));
// check if output node shape is same as graph output shape
auto co_shape = loco::shape_get(circle_node);
auto go_tensor_shape = graph_out->shape();
assert(go_tensor_shape);
auto go_shape = loco::NodeShape(*go_tensor_shape);
if (!(co_shape == go_shape))
{
INFO(l) << "Shape for #" << out_index << " not same " << std::endl;
return false;
}
// check if data type match
assert(loco::dtype_known(circle_node));
if (graph_out->dtype() != loco::dtype_get(circle_node))
{
INFO(l) << "Type for #" << out_index << " not same " << std::endl;
return false;
}
}
return true;
}
} // namespace
namespace luci
{
bool validate(loco::Graph *g)
{
if (!loco::valid(g))
return false;
if (!validate_shape_type(g))
return false;
// TODO add more validation
return true;
}
} // namespace luci
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