IVGCVSW-7831: Front end and Reference Implementation for REVERSE_V2

 * Descriptors added for ReverseV2
 * Layer definition added
 * Input validation added
 * Reference workload implementation for ReverseV2 added
 * Reference layer unit tests made for ReverseV2
 * CompareTensors method updated to support comparison between empty tensors
 * CMake and other build files updated

Signed-off-by: Tianle Cheng <tianle.cheng@arm.com>
Change-Id: I805738454421309fda77c44218a8df171d68dc18

1 files changed, 50 insertions, 0 deletions

diff --git a/src/armnn/layers/ReverseV2Layer.cpp b/src/armnn/layers/ReverseV2Layer.cpp
new file mode 100644
index 0000000000..29f8b1b781
--- /dev/null
+++ b/src/armnn/layers/ReverseV2Layer.cpp
@@ -0,0 +1,50 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ReverseV2Layer.hpp"
+
+#include <armnn/backends/WorkloadFactory.hpp>
+#include "layers/LayerCloneBase.hpp"
+
+namespace armnn
+{
+ReverseV2Layer::ReverseV2Layer(const armnn::ReverseV2Descriptor &param, const char *name)
+    : LayerWithParameters(1, 1, LayerType::ReverseV2, param, name)
+{}
+
+std::unique_ptr<IWorkload> ReverseV2Layer::CreateWorkload(const armnn::IWorkloadFactory &factory) const
+{
+    ReverseV2QueueDescriptor descriptor;
+    SetAdditionalInfo(descriptor);
+
+    return factory.CreateWorkload(LayerType::ReverseV2, descriptor, PrepInfoAndDesc(descriptor));
+}
+
+ReverseV2Layer* ReverseV2Layer::Clone(armnn::Graph &graph) const
+{
+    auto layer = CloneBase<ReverseV2Layer>(graph, m_Param, GetName());
+
+    return std::move(layer);
+}
+
+/// Use the default Layer::InferOutputShape method
+
+void ReverseV2Layer::ValidateTensorShapesFromInputs()
+{
+    VerifyLayerConnections(1, CHECK_LOCATION());
+
+    const TensorShape& outputShape = GetOutputSlot(0).GetTensorInfo().GetShape();
+
+    VerifyShapeInferenceType(outputShape, m_ShapeInferenceMethod);
+
+    auto inferredShapes = InferOutputShapes({
+        GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() });
+
+    ARMNN_ASSERT(inferredShapes.size() == 1);
+
+    ValidateAndCopyShape(outputShape, inferredShapes[0], m_ShapeInferenceMethod, "ReverseV2Layer");
+}
+
+}
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