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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/CircleShapeInference.h"
#include "luci/Service/ShapeDescription.h"
#include <loco.h>
#include <loco/Service/ShapeInference.h>
#include <luci/Log.h>
#include <cassert>
#include <iostream>
namespace luci
{
ShapeDescription ShapeInference::get(loco::Node *node)
{
assert(loco::shape_known(node));
return to_shape_description(loco::shape_get(node));
}
} // namespace luci
namespace
{
std::ostream &operator<<(std::ostream &os, const loco::TensorShape &tensor_shape)
{
os << "[";
for (uint32_t r = 0; r < tensor_shape.rank(); ++r)
{
if (r)
os << ",";
os << tensor_shape.dim(r).value();
}
os << "]";
return os;
}
bool inputs_shape_ready(const luci::CircleNode *node)
{
for (uint32_t arity = 0; arity < node->arity(); ++arity)
{
auto node_input = loco::must_cast<luci::CircleNode *>(node->arg(arity));
if (node_input->shape_status() == luci::ShapeStatus::UNDEFINED)
return false;
}
return true;
}
} // namespace
namespace luci
{
namespace sinf
{
bool Rule::infer(const luci::CircleNode *circle_node, loco::TensorShape &shape) const
{
LOGGER(l);
VERBOSE(l, 1) << "[CircleShapeInference] " << circle_node->name();
VERBOSE(l, 1) << " before: " << circle_shape(circle_node);
if (!inputs_shape_ready(circle_node))
{
VERBOSE(l, 1) << " after: Some inputs are not ready for inference";
return false;
}
Algorithm alg;
shape = circle_node->accept(&alg);
VERBOSE(l, 1) << " after: " << shape;
return true;
}
} // namespace ssinf
} // namespace luci
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