IVGCVSW-4906 Add front-end support for FILL operator

 * Added new fill layer
 * Added visitor tests

Signed-off-by: Ryan OShea <Ryan.OShea2@arm.com>
Change-Id: Iea677014866b4f2d514004623f59ee83f3c0eef8
Signed-off-by: Keith Davis <keith.davis@arm.com>

25 files changed, 248 insertions, 1 deletions

diff --git a/Android.mk b/Android.mk
index c9254c7f31..83779486c0 100644
--- a/Android.mk
+++ b/Android.mk
@@ -151,6 +151,7 @@ LOCAL_SRC_FILES := \
         src/armnn/layers/ElementwiseBaseLayer.cpp \
         src/armnn/layers/ElementwiseUnaryLayer.cpp \
         src/armnn/layers/FakeQuantizationLayer.cpp \
+        src/armnn/layers/FillLayer.cpp \
         src/armnn/layers/FloorLayer.cpp \
         src/armnn/layers/FullyConnectedLayer.cpp \
         src/armnn/layers/GatherLayer.cpp \
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0dc859bea5..92edf8017f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -302,6 +302,8 @@ list(APPEND armnn_sources
     src/armnn/layers/ElementwiseUnaryLayer.cpp
     src/armnn/layers/FakeQuantizationLayer.hpp
     src/armnn/layers/FakeQuantizationLayer.cpp
+    src/armnn/layers/FillLayer.hpp
+    src/armnn/layers/FillLayer.cpp
     src/armnn/layers/FloorLayer.hpp
     src/armnn/layers/FloorLayer.cpp
     src/armnn/layers/FullyConnectedLayer.hpp
diff --git a/include/armnn/Descriptors.hpp b/include/armnn/Descriptors.hpp
index 5d0990e816..653e64701a 100644
--- a/include/armnn/Descriptors.hpp
+++ b/include/armnn/Descriptors.hpp
@@ -711,6 +711,25 @@ struct FakeQuantizationDescriptor
     float m_Max;
 };
 
+/// A FillDescriptor for the FillLayer
+struct FillDescriptor
+{
+    FillDescriptor()
+    : m_Value(0)
+    {}
+
+    FillDescriptor(const float& value)
+    : m_Value(value)
+    {}
+
+    bool operator ==(const FillDescriptor& rhs) const
+    {
+        return m_Value == rhs.m_Value;
+    }
+
+    float m_Value;
+};
+
 /// A ResizeBilinearDescriptor for the ResizeBilinearLayer.
 struct ResizeBilinearDescriptor
 {
diff --git a/include/armnn/DescriptorsFwd.hpp b/include/armnn/DescriptorsFwd.hpp
index 1c813b534f..e31fb96aec 100644
--- a/include/armnn/DescriptorsFwd.hpp
+++ b/include/armnn/DescriptorsFwd.hpp
@@ -18,6 +18,7 @@ struct DepthwiseConvolution2dDescriptor;
 struct DetectionPostProcessDescriptor;
 struct ElementwiseUnaryDescriptor;
 struct FakeQuantizationDescriptor;
+struct FillDescriptor;
 struct FullyConnectedDescriptor;
 struct InstanceNormalizationDescriptor;
 struct L2NormalizationDescriptor;
diff --git a/include/armnn/ILayerSupport.hpp b/include/armnn/ILayerSupport.hpp
index 58509c906c..33389eb25f 100644
--- a/include/armnn/ILayerSupport.hpp
+++ b/include/armnn/ILayerSupport.hpp
@@ -157,6 +157,11 @@ public:
                                              const FakeQuantizationDescriptor& descriptor,
                                              Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
 
+    virtual bool IsFillSupported(const TensorInfo& input,
+                                 const TensorInfo& output,
+                                 const FillDescriptor& descriptor,
+                                 Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
+
     virtual bool IsFloorSupported(const TensorInfo& input,
                                   const TensorInfo& output,
                                   Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
diff --git a/include/armnn/ILayerVisitor.hpp b/include/armnn/ILayerVisitor.hpp
index 530e74f30a..aa5bdba33c 100644
--- a/include/armnn/ILayerVisitor.hpp
+++ b/include/armnn/ILayerVisitor.hpp
@@ -184,6 +184,14 @@ public:
     virtual void VisitEqualLayer(const IConnectableLayer* layer,
                                  const char* name = nullptr) = 0;
 
+    /// Function a fill layer should call back to when its Accept(ILayerVisitor&) function is invoked.
+    /// @param layer - pointer to the layer which is calling back to this visit function.
+    /// @param fillDescriptor - Description of the layer
+    /// @param name - Optional name for the layer.
+    virtual void VisitFillLayer(const IConnectableLayer* layer,
+                                const FillDescriptor& fillDescriptor,
+                                const char* name = nullptr) = 0;
+
     /// Function a floor layer should call back to when its Accept(ILayerVisitor&) function is invoked.
     /// @param layer - pointer to the layer which is calling back to this visit function.
     /// @param name - Optional name for the layer.
diff --git a/include/armnn/INetwork.hpp b/include/armnn/INetwork.hpp
index 1dd949d038..ade6c52c90 100644
--- a/include/armnn/INetwork.hpp
+++ b/include/armnn/INetwork.hpp
@@ -213,10 +213,17 @@ public:
     /// Add an ElementwiseUnary layer to the network.
     /// @param name - Optional name for the layer.
     /// @param desc - Descriptor for the elementwiseUnary operation.
-    /// @ return - Interface for configuring the layer.
+    /// @return - Interface for configuring the layer.
     virtual IConnectableLayer* AddElementwiseUnaryLayer(const ElementwiseUnaryDescriptor& elementwiseUnaryDescriptor,
                                                         const char* name = nullptr) = 0;
 
+    /// Add an Fill layer to the network.
+    /// @param name - Optional name for the layer.
+    /// @param fillDescriptor - Descriptor for the fill operation.
+    /// @return - Interface for configuring the layer.
+    virtual IConnectableLayer* AddFillLayer(const FillDescriptor& fillDescriptor,
+                                            const char* name = nullptr) = 0;
+
     /// Adds a fully connected layer to the network.
     /// @param fullyConnectedDescriptor - Description of the fully connected layer.
     /// @param weights - Tensor for the weights data.
diff --git a/include/armnn/LayerVisitorBase.hpp b/include/armnn/LayerVisitorBase.hpp
index 95d6bd37bd..0dc5e545e3 100644
--- a/include/armnn/LayerVisitorBase.hpp
+++ b/include/armnn/LayerVisitorBase.hpp
@@ -101,6 +101,10 @@ public:
     void VisitEqualLayer(const IConnectableLayer*,
                          const char*) override { DefaultPolicy::Apply(__func__); }
 
+    void VisitFillLayer(const IConnectableLayer*,
+                        const FillDescriptor&,
+                        const char*) override { DefaultPolicy::Apply(__func__); }
+
     void VisitFloorLayer(const IConnectableLayer*,
                          const char*) override { DefaultPolicy::Apply(__func__); }
 
diff --git a/src/armnn/InternalTypes.hpp b/src/armnn/InternalTypes.hpp
index 455cb60d5d..e2ad7a2ea5 100644
--- a/src/armnn/InternalTypes.hpp
+++ b/src/armnn/InternalTypes.hpp
@@ -33,6 +33,7 @@
     X(Division) \
     X(ElementwiseUnary) \
     X(FakeQuantization) \
+    X(Fill) \
     X(Floor) \
     X(FullyConnected) \
     X(Gather) \
diff --git a/src/armnn/LayersFwd.hpp b/src/armnn/LayersFwd.hpp
index befe3819d8..575c3e5c68 100644
--- a/src/armnn/LayersFwd.hpp
+++ b/src/armnn/LayersFwd.hpp
@@ -27,6 +27,7 @@
 #include "layers/DivisionLayer.hpp"
 #include "layers/ElementwiseUnaryLayer.hpp"
 #include "layers/FakeQuantizationLayer.hpp"
+#include "layers/FillLayer.hpp"
 #include "layers/FloorLayer.hpp"
 #include "layers/FullyConnectedLayer.hpp"
 #include "layers/GatherLayer.hpp"
@@ -115,6 +116,7 @@ DECLARE_LAYER(DetectionPostProcess)
 DECLARE_LAYER(Division)
 DECLARE_LAYER(ElementwiseUnary)
 DECLARE_LAYER(FakeQuantization)
+DECLARE_LAYER(Fill)
 DECLARE_LAYER(Floor)
 DECLARE_LAYER(FullyConnected)
 DECLARE_LAYER(Gather)
diff --git a/src/armnn/Network.cpp b/src/armnn/Network.cpp
index fa8eaaf998..180c00b0c3 100644
--- a/src/armnn/Network.cpp
+++ b/src/armnn/Network.cpp
@@ -1186,6 +1186,12 @@ IConnectableLayer* Network::AddElementwiseUnaryLayer(const ElementwiseUnaryDescr
     return m_Graph->AddLayer<ElementwiseUnaryLayer>(elementwiseUnaryDescriptor, name);
 }
 
+IConnectableLayer* Network::AddFillLayer(const FillDescriptor& fillDescriptor,
+                                         const char* name)
+{
+    return m_Graph->AddLayer<FillLayer>(fillDescriptor, name);
+}
+
 IConnectableLayer* Network::AddFullyConnectedLayerImpl(const FullyConnectedDescriptor& fullyConnectedDescriptor,
                                                        const ConstTensor& weights,
                                                        const Optional<ConstTensor>& biases,
diff --git a/src/armnn/Network.hpp b/src/armnn/Network.hpp
index 1711d2e2dd..cac2b3a0e6 100644
--- a/src/armnn/Network.hpp
+++ b/src/armnn/Network.hpp
@@ -97,6 +97,9 @@ public:
     IConnectableLayer* AddElementwiseUnaryLayer(const ElementwiseUnaryDescriptor& elementwiseUnaryDescriptor,
                                                 const char* name = nullptr) override;
 
+    IConnectableLayer* AddFillLayer(const FillDescriptor& fillDescriptor,
+                                    const char* name = nullptr) override;
+
     IConnectableLayer* AddFullyConnectedLayer(const FullyConnectedDescriptor& fullyConnectedDescriptor,
                                               const ConstTensor& weights,
                                               const Optional<ConstTensor>& biases,
diff --git a/src/armnn/layers/FillLayer.cpp b/src/armnn/layers/FillLayer.cpp
new file mode 100644
index 0000000000..03f93f76da
--- /dev/null
+++ b/src/armnn/layers/FillLayer.cpp
@@ -0,0 +1,51 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#include "FillLayer.hpp"
+
+#include "LayerCloneBase.hpp"
+
+#include <armnn/TypesUtils.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+#include <backendsCommon/WorkloadFactory.hpp>
+
+namespace armnn
+{
+
+FillLayer::FillLayer(const FillDescriptor& param, const char* name)
+    : LayerWithParameters(1, 1, LayerType::Fill, param, name)
+{
+}
+
+std::unique_ptr<IWorkload> FillLayer::CreateWorkload(const IWorkloadFactory& factory) const
+{
+    FillQueueDescriptor descriptor;
+    return factory.CreateFill(descriptor, PrepInfoAndDesc(descriptor) );
+}
+
+FillLayer* FillLayer::Clone(Graph& graph) const
+{
+    return CloneBase<FillLayer>(graph, m_Param, GetName());
+}
+
+void FillLayer::ValidateTensorShapesFromInputs()
+{
+    VerifyLayerConnections(1, CHECK_LOCATION());
+
+    auto inferredShapes = InferOutputShapes({ GetInputSlot(0).GetConnection()->GetTensorInfo().GetShape() });
+
+    ARMNN_ASSERT(inferredShapes.size() == 1);
+
+    ConditionalThrowIfNotEqual<LayerValidationException>(
+        "FillLayer: TensorShape set on OutputSlot[0] does not match the inferred shape.",
+        GetOutputSlot(0).GetTensorInfo().GetShape(),
+        inferredShapes[0]);
+}
+
+void FillLayer::Accept(ILayerVisitor& visitor) const
+{
+    visitor.VisitGatherLayer(this, GetName());
+}
+
+} // namespace armnn
diff --git a/src/armnn/layers/FillLayer.hpp b/src/armnn/layers/FillLayer.hpp
new file mode 100644
index 0000000000..b9a972a27a
--- /dev/null
+++ b/src/armnn/layers/FillLayer.hpp
@@ -0,0 +1,41 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include "LayerWithParameters.hpp"
+
+namespace armnn
+{
+
+/// This layer represents a fill operation.
+class FillLayer : public LayerWithParameters<FillDescriptor>
+{
+public:
+    /// Makes a workload for the Fill layer.
+    /// @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 IWorkloadFactory& factory) const override;
+
+    /// Creates a dynamically-allocated copy of this layer.
+    /// @param [in] graph The graph into which this layer is being cloned.
+    FillLayer* Clone(Graph& graph) const override;
+
+    /// Check if the input tensor shape(s)
+    /// will lead to a valid configuration of @ref FillLayer.
+    void ValidateTensorShapesFromInputs() override;
+
+    void Accept(ILayerVisitor& visitor) const override;
+
+protected:
+    /// Constructor to create a FillLayer.
+    /// @param [in] descriptor to configure the fill operation.
+    /// @param [in] name Optional name for the layer.
+    FillLayer(const FillDescriptor& descriptor, const char* name);
+
+    /// Default destructor
+    ~FillLayer() = default;
+};
+
+} // namespace
diff --git a/src/armnn/test/TestNameAndDescriptorLayerVisitor.cpp b/src/armnn/test/TestNameAndDescriptorLayerVisitor.cpp
index 431db2aa0d..e07e497ab8 100644
--- a/src/armnn/test/TestNameAndDescriptorLayerVisitor.cpp
+++ b/src/armnn/test/TestNameAndDescriptorLayerVisitor.cpp
@@ -92,6 +92,12 @@ armnn::ElementwiseUnaryDescriptor GetDescriptor<armnn::ElementwiseUnaryDescripto
 }
 
 template<>
+armnn::FillDescriptor GetDescriptor<armnn::FillDescriptor>()
+{
+    return armnn::FillDescriptor(1);
+}
+
+template<>
 armnn::InstanceNormalizationDescriptor GetDescriptor<armnn::InstanceNormalizationDescriptor>()
 {
     armnn::InstanceNormalizationDescriptor descriptor;
@@ -264,6 +270,7 @@ TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(BatchToSpaceNd)
 TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(Comparison)
 TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(Concat)
 TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(ElementwiseUnary)
+TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(Fill)
 TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(InstanceNormalization)
 TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(L2Normalization)
 TEST_SUITE_NAME_AND_DESCRIPTOR_LAYER_VISITOR(LogSoftmax)
diff --git a/src/armnn/test/TestNameAndDescriptorLayerVisitor.hpp b/src/armnn/test/TestNameAndDescriptorLayerVisitor.hpp
index b9877a8111..c8df505db0 100644
--- a/src/armnn/test/TestNameAndDescriptorLayerVisitor.hpp
+++ b/src/armnn/test/TestNameAndDescriptorLayerVisitor.hpp
@@ -49,6 +49,7 @@ DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(Comparison)
 DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(Concat)
 DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(DepthToSpace)
 DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(ElementwiseUnary)
+DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(Fill)
 DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(InstanceNormalization)
 DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(L2Normalization)
 DECLARE_TEST_NAME_AND_DESCRIPTOR_LAYER_VISITOR_CLASS(LogSoftmax)
diff --git a/src/armnnSerializer/Serializer.cpp b/src/armnnSerializer/Serializer.cpp
index 9c62a93e3b..ddd38e18ef 100644
--- a/src/armnnSerializer/Serializer.cpp
+++ b/src/armnnSerializer/Serializer.cpp
@@ -468,6 +468,16 @@ void SerializerVisitor::VisitEqualLayer(const armnn::IConnectableLayer* layer, c
     CreateAnyLayer(fbEqualLayer.o, serializer::Layer::Layer_EqualLayer);
 }
 
+void SerializerVisitor::VisitFillLayer(const armnn::IConnectableLayer* layer,
+                                       const armnn::FillDescriptor& fillDescriptor,
+                                       const char* name)
+{
+    throw UnimplementedException("SerializerVisitor::VisitFillLayer is not implemented");
+    IgnoreUnused(name);
+    IgnoreUnused(layer);
+    IgnoreUnused(fillDescriptor);
+}
+
 void SerializerVisitor::VisitFloorLayer(const armnn::IConnectableLayer *layer, const char *name)
 {
     IgnoreUnused(name);
diff --git a/src/armnnSerializer/Serializer.hpp b/src/armnnSerializer/Serializer.hpp
index 6dd655827d..65d87b7cf7 100644
--- a/src/armnnSerializer/Serializer.hpp
+++ b/src/armnnSerializer/Serializer.hpp
@@ -121,6 +121,10 @@ public:
     void VisitEqualLayer(const armnn::IConnectableLayer* layer,
                          const char* name = nullptr) override;
 
+    void VisitFillLayer(const armnn::IConnectableLayer* layer,
+                        const armnn::FillDescriptor& fillDescriptor,
+                        const char* name = nullptr) override;
+
     void VisitFloorLayer(const armnn::IConnectableLayer *layer,
                          const char *name = nullptr) override;
 
diff --git a/src/backends/backendsCommon/LayerSupportBase.cpp b/src/backends/backendsCommon/LayerSupportBase.cpp
index c55f51d315..e509a7b929 100644
--- a/src/backends/backendsCommon/LayerSupportBase.cpp
+++ b/src/backends/backendsCommon/LayerSupportBase.cpp
@@ -248,6 +248,14 @@ bool LayerSupportBase::IsFakeQuantizationSupported(const TensorInfo& /*input*/,
     return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
 }
 
+bool LayerSupportBase::IsFillSupported(const TensorInfo& /*input*/,
+                                       const TensorInfo& /*output*/,
+                                       const FillDescriptor& /*descriptor*/,
+                                       Optional<std::string&> reasonIfUnsupported) const
+{
+    return DefaultLayerSupport(__func__, __FILE__, __LINE__, reasonIfUnsupported);
+}
+
 bool LayerSupportBase::IsFloorSupported(const TensorInfo& /*input*/,
                                         const TensorInfo& /*output*/,
                                         Optional<std::string&> reasonIfUnsupported) const
diff --git a/src/backends/backendsCommon/LayerSupportBase.hpp b/src/backends/backendsCommon/LayerSupportBase.hpp
index fcc3326601..aff4529417 100644
--- a/src/backends/backendsCommon/LayerSupportBase.hpp
+++ b/src/backends/backendsCommon/LayerSupportBase.hpp
@@ -143,6 +143,11 @@ public:
                                      const FakeQuantizationDescriptor& descriptor,
                                      Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
+    virtual bool IsFillSupported(const TensorInfo& input,
+                                 const TensorInfo& output,
+                                 const FillDescriptor& descriptor,
+                                 Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
+
     bool IsFloorSupported(const TensorInfo& input,
                           const TensorInfo& output,
                           Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
diff --git a/src/backends/backendsCommon/WorkloadData.cpp b/src/backends/backendsCommon/WorkloadData.cpp
index 2060093015..3949fa945d 100644
--- a/src/backends/backendsCommon/WorkloadData.cpp
+++ b/src/backends/backendsCommon/WorkloadData.cpp
@@ -966,6 +966,29 @@ void StackQueueDescriptor::Validate(const WorkloadInfo& workloadInfo) const
                                  "output");
 }
 
+void FillQueueDescriptor::Validate(const WorkloadInfo& workloadInfo) const
+{
+    const std::string descriptorName{"FillQueueDescriptor"};
+
+    ValidateNumInputs(workloadInfo,  descriptorName, 1);
+    ValidateNumOutputs(workloadInfo, descriptorName, 1);
+
+    const TensorInfo& inputTensorInfo = workloadInfo.m_InputTensorInfos[0];
+    const TensorInfo& outputTensorInfo = workloadInfo.m_OutputTensorInfos[0];
+
+    ValidateTensorNumDimensions(inputTensorInfo, descriptorName, 1, "input");
+
+    std::vector<DataType> supportedTypes =
+    {
+        DataType::BFloat16,
+        DataType::Float32,
+        DataType::Float16,
+        DataType::Signed32
+    };
+
+    ValidateDataTypes(outputTensorInfo, supportedTypes, descriptorName);
+}
+
 void FullyConnectedQueueDescriptor::Validate(const WorkloadInfo& workloadInfo) const
 {
     const std::string descriptorName{"FullyConnectedQueueDescriptor"};
diff --git a/src/backends/backendsCommon/WorkloadData.hpp b/src/backends/backendsCommon/WorkloadData.hpp
index adce5570d3..ba9b0f394b 100644
--- a/src/backends/backendsCommon/WorkloadData.hpp
+++ b/src/backends/backendsCommon/WorkloadData.hpp
@@ -137,6 +137,19 @@ struct ArgMinMaxQueueDescriptor : QueueDescriptorWithParameters<ArgMinMaxDescrip
     void Validate(const WorkloadInfo& workloadInfo) const;
 };
 
+// Fill layer workload data.
+struct FillQueueDescriptor : QueueDescriptorWithParameters<FillDescriptor>
+{
+    FillQueueDescriptor()
+        : m_Value(nullptr)
+    {
+    }
+
+    const ConstCpuTensorHandle* m_Value;
+
+    void Validate(const WorkloadInfo& workloadInfo) const;
+};
+
 // Fully connected layer workload data.
 struct FullyConnectedQueueDescriptor : QueueDescriptorWithParameters<FullyConnectedDescriptor>
 {
diff --git a/src/backends/backendsCommon/WorkloadFactory.cpp b/src/backends/backendsCommon/WorkloadFactory.cpp
index 0a13c99ab8..d2565cf21d 100644
--- a/src/backends/backendsCommon/WorkloadFactory.cpp
+++ b/src/backends/backendsCommon/WorkloadFactory.cpp
@@ -312,6 +312,20 @@ bool IWorkloadFactory::IsLayerSupported(const BackendId& backendId,
                                                                      reason);
             break;
         }
+        case LayerType::Fill:
+        {
+            auto cLayer = PolymorphicDowncast<const FillLayer*>(&layer);
+            const TensorInfo& input = layer.GetInputSlot(0).GetConnection()->GetTensorInfo();
+            const TensorInfo& output = layer.GetOutputSlot(0).GetTensorInfo();
+            const FillDescriptor& descriptor = cLayer->GetParameters();
+
+            result = layerSupportObject->IsFillSupported(
+                OverrideDataType(input, dataType),
+                OverrideDataType(output, dataType),
+                descriptor,
+                reason);
+            break;
+        }
         case LayerType::FakeQuantization:
         {
             auto cLayer = PolymorphicDowncast<const FakeQuantizationLayer*>(&layer);
@@ -1336,6 +1350,12 @@ std::unique_ptr<IWorkload> IWorkloadFactory::CreateFakeQuantization(const FakeQu
     return std::unique_ptr<IWorkload>();
 }
 
+std::unique_ptr<IWorkload> IWorkloadFactory::CreateFill(const FillQueueDescriptor& /*descriptor*/,
+                                                        const WorkloadInfo& /*info*/) const
+{
+    return std::unique_ptr<IWorkload>();
+}
+
 std::unique_ptr<IWorkload> IWorkloadFactory::CreateFloor(const FloorQueueDescriptor& /*descriptor*/,
                                                          const WorkloadInfo& /*info*/) const
 {
diff --git a/src/backends/backendsCommon/WorkloadFactory.hpp b/src/backends/backendsCommon/WorkloadFactory.hpp
index 89c073c170..e373a4f218 100644
--- a/src/backends/backendsCommon/WorkloadFactory.hpp
+++ b/src/backends/backendsCommon/WorkloadFactory.hpp
@@ -122,6 +122,9 @@ public:
     virtual std::unique_ptr<IWorkload> CreateFakeQuantization(const FakeQuantizationQueueDescriptor& descriptor,
                                                               const WorkloadInfo& info) const;
 
+    virtual std::unique_ptr<IWorkload> CreateFill(const FillQueueDescriptor& descriptor,
+                                                  const WorkloadInfo&        info) const;
+
     virtual std::unique_ptr<IWorkload> CreateFloor(const FloorQueueDescriptor& descriptor,
                                                    const WorkloadInfo& info) const;
 
diff --git a/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp b/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp
index 0780f4bd27..dcd073d279 100644
--- a/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp
+++ b/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp
@@ -545,6 +545,8 @@ DECLARE_LAYER_POLICY_2_PARAM(ElementwiseUnary)
 
 DECLARE_LAYER_POLICY_2_PARAM(FakeQuantization)
 
+DECLARE_LAYER_POLICY_2_PARAM(Fill)
+
 DECLARE_LAYER_POLICY_1_PARAM(Floor)
 
 DECLARE_LAYER_POLICY_2_PARAM(FullyConnected)