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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "../TestUtils.hpp"
#include <Optimizer.hpp>
#include <doctest/doctest.h>
using namespace armnn;
TEST_SUITE("Optimizer")
{
using namespace armnn::optimizations;
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");
CHECK(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.
CHECK(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
&IsLayerOfType<armnn::OutputLayer>));
}
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");
CHECK(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.
CHECK(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
&IsLayerOfType<armnn::OutputLayer>));
}
}
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