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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "../TestUtils.hpp"
#include <Optimizer.hpp>
#include <boost/test/unit_test.hpp>
using namespace armnn;
BOOST_AUTO_TEST_SUITE(Optimizer)
using namespace armnn::optimizations;
BOOST_AUTO_TEST_CASE(OptimizeInversePermutesTest)
{
armnn::Graph graph;
auto output = graph.AddLayer<armnn::OutputLayer>(0, "output");
graph.InsertNewLayer<armnn::InputLayer>(output->GetInputSlot(0), 0, "input");
// Inserts two permutes, one the inverse of the other.
graph.InsertNewLayer<armnn::PermuteLayer>(output->GetInputSlot(0), armnn::PermuteDescriptor({ 0, 2, 3, 1 }),
"perm0231");
graph.InsertNewLayer<armnn::PermuteLayer>(output->GetInputSlot(0), armnn::PermuteDescriptor({ 0, 3, 1, 2 }),
"perm0312");
BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
&IsLayerOfType<armnn::PermuteLayer>, &IsLayerOfType<armnn::PermuteLayer>,
&IsLayerOfType<armnn::OutputLayer>));
armnn::Optimizer::Pass(graph, armnn::MakeOptimizations(OptimizeInversePermutes()));
// The permutes are removed.
BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
&IsLayerOfType<armnn::OutputLayer>));
}
BOOST_AUTO_TEST_CASE(OptimizeInverseTransposesTest)
{
armnn::Graph graph;
auto output = graph.AddLayer<armnn::OutputLayer>(0, "output");
graph.InsertNewLayer<armnn::InputLayer>(output->GetInputSlot(0), 0, "input");
// Inserts two permutes, one the inverse of the other.
graph.InsertNewLayer<armnn::TransposeLayer>(output->GetInputSlot(0),
armnn::TransposeDescriptor({ 0, 3, 1, 2 }),
"transpose0312");
graph.InsertNewLayer<armnn::TransposeLayer>(output->GetInputSlot(0),
armnn::TransposeDescriptor({ 0, 2, 3, 1 }),
"transpose0231");
BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
&IsLayerOfType<armnn::TransposeLayer>, &IsLayerOfType<armnn::TransposeLayer>,
&IsLayerOfType<armnn::OutputLayer>));
armnn::Optimizer::Pass(graph, armnn::MakeOptimizations(OptimizeInverseTransposes()));
// The permutes are removed.
BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
&IsLayerOfType<armnn::OutputLayer>));
}
BOOST_AUTO_TEST_SUITE_END()
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