IVGCVSW-3885 Add reference workload for DepthToSpace

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Id937dc4425884ad1985dcdfaae8bf3fb64f0c766
diff --git a/src/backends/reference/workloads/RefDepthToSpaceWorkload.cpp b/src/backends/reference/workloads/RefDepthToSpaceWorkload.cpp
new file mode 100644
index 0000000..93c1120
--- /dev/null
+++ b/src/backends/reference/workloads/RefDepthToSpaceWorkload.cpp
@@ -0,0 +1,27 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "RefDepthToSpaceWorkload.hpp"
+
+#include "DepthToSpace.hpp"
+#include "RefWorkloadUtils.hpp"
+
+namespace armnn
+{
+
+void RefDepthToSpaceWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT(Compute::CpuRef, "RefDepthToSpaceWorkload_Execute");
+
+    const TensorInfo inputInfo = GetTensorInfo(m_Data.m_Inputs[0]);
+
+    DepthToSpace(inputInfo,
+                 m_Data.m_Parameters,
+                 m_Data.m_Inputs[0]->Map(),
+                 m_Data.m_Outputs[0]->Map(),
+                 GetDataTypeSize(inputInfo.GetDataType()));
+}
+
+} // namespace armnn