1 //
2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5
6 #include "../TestUtils.hpp"
7
8 #include <Optimizer.hpp>
9
10 #include <boost/test/unit_test.hpp>
11
12 using namespace armnn;
13
14 BOOST_AUTO_TEST_SUITE(Optimizer)
15 using namespace armnn::optimizations;
16
BOOST_AUTO_TEST_CASE(PermuteAsReshapeTest)17 BOOST_AUTO_TEST_CASE(PermuteAsReshapeTest)
18 {
19 armnn::Graph graph;
20
21 std::string permuteLayerName = "permute";
22
23 const armnn::TensorInfo infoIn({ 1, 2, 3, 1 }, armnn::DataType::Float32);
24 const armnn::TensorInfo infoOut({ 1, 1, 2, 3 }, armnn::DataType::Float32);
25
26 auto output = graph.AddLayer<armnn::OutputLayer>(0, "output");
27
28 graph.InsertNewLayer<armnn::InputLayer>(output->GetInputSlot(0), 0, "input")
29 ->GetOutputHandler()
30 .SetTensorInfo(infoIn);
31
32 // Inserts permute.
33 graph
34 .InsertNewLayer<armnn::PermuteLayer>(output->GetInputSlot(0), armnn::PermuteDescriptor({ 0, 2, 3, 1 }),
35 permuteLayerName.c_str())
36 ->GetOutputHandler()
37 .SetTensorInfo(infoOut);
38
39 BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>,
40 &IsLayerOfType<armnn::PermuteLayer>, &IsLayerOfType<armnn::OutputLayer>));
41
42 armnn::Optimizer::Pass(graph, armnn::MakeOptimizations(PermuteAsReshape()));
43
44 // The permute is replaced by an equivalent reshape.
45
46 auto checkReshape = [&infoOut](const armnn::Layer* const layer) -> bool {
47 const auto reshapeLayer = static_cast<const armnn::ReshapeLayer*>(layer);
48 return IsLayerOfType<armnn::ReshapeLayer>(layer) &&
49 (reshapeLayer->GetParameters().m_TargetShape == infoOut.GetShape()) &&
50 (reshapeLayer->GetOutputHandler().GetTensorInfo().GetShape() == infoOut.GetShape());
51 };
52
53 BOOST_TEST(CheckSequence(graph.cbegin(), graph.cend(), &IsLayerOfType<armnn::InputLayer>, checkReshape,
54 &IsLayerOfType<armnn::OutputLayer>));
55
56 std::list<std::string> testRelatedLayers = { permuteLayerName };
57 BOOST_TEST(CheckRelatedLayers<armnn::ReshapeLayer>(graph, testRelatedLayers));
58 }
59
60 BOOST_AUTO_TEST_SUITE_END()