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1 //
2 // Copyright © 2020 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 
6 #include <TestUtils.hpp>
7 
8 #include <Optimizer.hpp>
9 
10 #include <doctest/doctest.h>
11 
12 using namespace armnn;
13 
14 TEST_SUITE("Optimizer")
15 {
16 using namespace armnn::optimizations;
17 
18 TEST_CASE("TransposeAsReshapeTest")
19 {
20     armnn::Graph graph;
21 
22     std::string transposeLayerName = "transpose";
23 
24     const armnn::TensorInfo infoIn({ 1, 2, 3, 1 }, armnn::DataType::Float32);
25     const armnn::TensorInfo infoOut({ 1, 1, 2, 3 }, armnn::DataType::Float32);
26 
27     auto output = graph.AddLayer<armnn::OutputLayer>(0, "output");
28 
29     graph.InsertNewLayer<armnn::InputLayer>(output->GetInputSlot(0), 0, "input")
30             ->GetOutputHandler()
31             .SetTensorInfo(infoIn);
32 
33     // Inserts transpose.
34     graph
35             .InsertNewLayer<armnn::TransposeLayer>(output->GetInputSlot(0), armnn::TransposeDescriptor({ 0, 3, 1, 2 }),
36                                                    transposeLayerName.c_str())
37             ->GetOutputHandler()
38             .SetTensorInfo(infoOut);
39 
40     CHECK(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
41                              &IsLayerOfType<armnn::TransposeLayer>, &IsLayerOfType<armnn::OutputLayer>));
42 
43     armnn::Optimizer::Pass(graph, armnn::MakeOptimizations(TransposeAsReshape()));
44 
45     // The transpose is replaced by an equivalent reshape.
46 
__anonaa734b490102(const armnn::Layer* const layer) 47     auto checkReshape = [&infoOut](const armnn::Layer* const layer) -> bool {
48         const auto reshapeLayer = static_cast<const armnn::ReshapeLayer*>(layer);
49         return IsLayerOfType<armnn::ReshapeLayer>(layer) &&
50                (reshapeLayer->GetParameters().m_TargetShape == infoOut.GetShape()) &&
51                (reshapeLayer->GetOutputHandler().GetTensorInfo().GetShape() == infoOut.GetShape());
52     };
53 
54     CHECK(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>, checkReshape,
55                              &IsLayerOfType<armnn::OutputLayer>));
56 
57     std::list<std::string> testRelatedLayers = { transposeLayerName };
58     CHECK(CheckRelatedLayers<armnn::ReshapeLayer>(graph, testRelatedLayers));
59 }
60 
61 }