IVGCVSW-3277 Mem export/import suppor for Tensors

* Rename MemoryStrategy to EdgeStrategy
* Add MemImportLayer
* Import memory rather than copy when possible

Change-Id: I1d3a9414f2cbe517dc2aae9bbd4fdd92712b38ef
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/armnn/layers/MemImportLayer.hpp b/src/armnn/layers/MemImportLayer.hpp
new file mode 100644
index 0000000000..2d02c1fb41
--- /dev/null
+++ b/src/armnn/layers/MemImportLayer.hpp
@@ -0,0 +1,42 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <Layer.hpp>
+
+namespace armnn
+{
+
+/// This layer represents a memory import operation.
+class MemImportLayer : public Layer
+{
+public:
+    /// Makes a workload for the MemImport type.
+    /// @param [in] graph The graph where this layer can be found.
+    /// @param [in] factory The workload factory which will create the workload.
+    /// @return A pointer to the created workload, or nullptr if not created.
+    virtual std::unique_ptr<IWorkload>CreateWorkload(const Graph& graph,
+                                                     const IWorkloadFactory& factory) const override;
+
+    /// Creates a dynamically-allocated copy of this layer.
+    /// @param [in] graph The graph into which this layer is being cloned.
+    MemImportLayer* Clone(Graph& graph) const override;
+
+    /// Check if the input tensor shape(s)
+    /// will lead to a valid configuration of @ref MemImportLayer.
+    void ValidateTensorShapesFromInputs() override;
+
+    void Accept(ILayerVisitor& visitor) const override;
+
+protected:
+    /// Constructor to create a MemImportLayer.
+    /// @param [in] name Optional name for the layer.
+    MemImportLayer(const char* name);
+
+    /// Default destructor
+    ~MemImportLayer() = default;
+};
+
+} // namespace