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-rw-r--r--src/armnn/test/optimizations/OptimizeInversePermutesTests.cpp42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/armnn/test/optimizations/OptimizeInversePermutesTests.cpp b/src/armnn/test/optimizations/OptimizeInversePermutesTests.cpp
new file mode 100644
index 0000000000..dcf955956d
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+++ b/src/armnn/test/optimizations/OptimizeInversePermutesTests.cpp
@@ -0,0 +1,42 @@
+//
+// 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_SUITE_END() \ No newline at end of file