IVGCVSW-7550  GpuFsa Op: Add ElementWiseBinary Operator ADD

  * Adding support for Gpu Add operator
  * Added tests for layer support, end to end and optimization

Signed-off-by: Tracy Narine <tracy.narine@arm.com>
Change-Id: Ie9328d269c5c0ff60a7e10133b728ac9265033af
diff --git a/src/backends/backendsCommon/test/ElementwiseBinaryEndToEndTestImpl.hpp b/src/backends/backendsCommon/test/ElementwiseBinaryEndToEndTestImpl.hpp
index dfc7bfc..5138e49 100644
--- a/src/backends/backendsCommon/test/ElementwiseBinaryEndToEndTestImpl.hpp
+++ b/src/backends/backendsCommon/test/ElementwiseBinaryEndToEndTestImpl.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2023 Arm Ltd and contributors. All rights reserved.
+// Copyright © 2023-2024 Arm Ltd and contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 #pragma once
@@ -110,6 +110,71 @@
     EndToEndLayerTestImpl<ArmnnInType, ArmnnInType>(std::move(net), inputTensorData, expectedOutputData, backends);
 }
 
+
+template<armnn::DataType ArmnnInType,
+        typename TInput = armnn::ResolveType<ArmnnInType>>
+void ElementwiseBinarySimple3DEndToEnd(const std::vector<BackendId>& backends,
+                                       BinaryOperation operation)
+{
+    using namespace armnn;
+
+    const float   qScale  = IsQuantizedType<TInput>() ? 0.25f : 1.0f;
+    const int32_t qOffset = IsQuantizedType<TInput>() ? 50    : 0;
+
+    const TensorShape& input1Shape  = { 2, 2 };
+    const TensorShape& input2Shape  = { 2, 2 };
+    const TensorShape& outputShape  = { 2, 2 };
+
+    // Builds up the structure of the network
+    INetworkPtr net = CreateElementwiseBinaryNetwork<ArmnnInType>(input1Shape, input2Shape, outputShape,
+                                                                  operation, qScale, qOffset);
+
+    CHECK(net);
+
+    const std::vector<float> input1({ 1, -1, 1, 1 });
+
+    const std::vector<float> input2({ 2, 2, 2, 2 });
+    std::vector<float> expectedOutput;
+    switch (operation) {
+        case armnn::BinaryOperation::Add:
+            expectedOutput = { 3, 1, 3, 3 };
+            break;
+        case armnn::BinaryOperation::Div:
+            expectedOutput = {0.5f, -0.5f, 0.5f, 0.5f };
+            break;
+        case armnn::BinaryOperation::Maximum:
+            expectedOutput = { 2, 2, 2, 2 };
+            break;
+        case armnn::BinaryOperation::Minimum:
+            expectedOutput = { 1, -1, 1, 1 };
+            break;
+        case armnn::BinaryOperation::Mul:
+            expectedOutput = { 2, -2, 2, 2 };
+            break;
+        case armnn::BinaryOperation::Sub:
+            expectedOutput = { -1, -3, -1, -1 };
+            break;
+        case armnn::BinaryOperation::SqDiff:
+            expectedOutput = { 1, 9, 1, 1 };
+            break;
+        case armnn::BinaryOperation::Power:
+            expectedOutput = { 1, 1, 1, 1 };
+            break;
+        default:
+            throw("Invalid Elementwise Binary operation");
+    }
+    const std::vector<float> expectedOutput_const = expectedOutput;
+    // quantize data
+    std::vector<TInput> qInput1Data     = armnnUtils::QuantizedVector<TInput>(input1, qScale, qOffset);
+    std::vector<TInput> qInput2Data     = armnnUtils::QuantizedVector<TInput>(input2, qScale, qOffset);
+    std::vector<TInput> qExpectedOutput = armnnUtils::QuantizedVector<TInput>(expectedOutput_const, qScale, qOffset);
+
+    std::map<int, std::vector<TInput>> inputTensorData    = {{ 0, qInput1Data }, { 1, qInput2Data }};
+    std::map<int, std::vector<TInput>> expectedOutputData = {{ 0, qExpectedOutput }};
+
+    EndToEndLayerTestImpl<ArmnnInType, ArmnnInType>(std::move(net), inputTensorData, expectedOutputData, backends);
+}
+
 template<armnn::DataType ArmnnInType,
         typename TInput = armnn::ResolveType<ArmnnInType>>
 void ElementwiseBinarySimpleNoReshapeEndToEnd(const std::vector<BackendId>& backends,
diff --git a/src/backends/cl/test/ClEndToEndTests.cpp b/src/backends/cl/test/ClEndToEndTests.cpp
index b83bb1b..8b2d6a5 100644
--- a/src/backends/cl/test/ClEndToEndTests.cpp
+++ b/src/backends/cl/test/ClEndToEndTests.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017-2023 Arm Ltd. All rights reserved.
+// Copyright © 2017-2024 Arm Ltd. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -64,6 +64,15 @@
     AdditionEndToEnd<armnn::DataType::QAsymmU8>(clDefaultBackends);
 }
 
+TEST_CASE("ClAdditionEndToEndFloat32Simple3DTest")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float32>(clDefaultBackends, BinaryOperation::Add);
+}
+TEST_CASE("ClAdditionEndToEndFloat16Simple3DTest")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float16>(clDefaultBackends, BinaryOperation::Add);
+}
+
 // Power
 TEST_CASE("ClPowerEndToEndTestFloat32")
 {
diff --git a/src/backends/gpuFsa/GpuFsaBackend.cpp b/src/backends/gpuFsa/GpuFsaBackend.cpp
index e803699..7951b17 100644
--- a/src/backends/gpuFsa/GpuFsaBackend.cpp
+++ b/src/backends/gpuFsa/GpuFsaBackend.cpp
@@ -22,6 +22,7 @@
 
 #include "layers/GpuFsaConvolution2d.hpp"
 #include "layers/GpuFsaDepthwiseConvolution2d.hpp"
+#include "layers/GpuFsaElementwiseBinaryAdd.hpp"
 
 namespace armnn
 {
@@ -294,6 +295,18 @@
                 }
                 break;
             }
+            case LayerType::ElementwiseBinary:
+            {
+                auto desc = PolymorphicDowncast<const ElementwiseBinaryDescriptor *>(&base.GetParameters());
+                if (desc->m_Operation == BinaryOperation::Add)
+                {
+                    auto input0 = base.GetInputSlot(0).GetConnectedOutputSlot()->GetTensorInfo();
+                    auto input1 = base.GetInputSlot(1).GetConnectedOutputSlot()->GetTensorInfo();
+
+                    GpuFsaElementwiseBinaryAddCreateOp(preCompiledBlobPtr, input0, input1);
+                }
+                break;
+            }
             default:
                 // unsupported layer for GpuFsa backend
                 continue;
diff --git a/src/backends/gpuFsa/GpuFsaLayerSupport.cpp b/src/backends/gpuFsa/GpuFsaLayerSupport.cpp
index 18c9ac8..e98275c 100644
--- a/src/backends/gpuFsa/GpuFsaLayerSupport.cpp
+++ b/src/backends/gpuFsa/GpuFsaLayerSupport.cpp
@@ -12,6 +12,7 @@
 #if defined(ARMCOMPUTEGPUFSA_ENABLED)
 #include "layers/GpuFsaConvolution2d.hpp"
 #include "layers/GpuFsaDepthwiseConvolution2d.hpp"
+#include "layers/GpuFsaElementwiseBinaryAdd.hpp"
 #endif
 
 #include <vector>
@@ -79,13 +80,13 @@
                                                "TensorInfos should be of format: {input, output, weights, biases}.");
             }
 
-            auto desc = *(PolymorphicDowncast<const Convolution2dDescriptor*>(&descriptor));
+            auto desc = PolymorphicDowncast<const Convolution2dDescriptor*>(&descriptor);
             if (infos[3] == TensorInfo())
             {
                 FORWARD_LAYER_VALIDATE_FUNC(GpuFsaConvolution2dValidate,
                                             reasonIfUnsupported,
                                             infos[0],
-                                            desc,
+                                            *desc,
                                             infos[2],
                                             EmptyOptional());
             }
@@ -94,7 +95,7 @@
                 FORWARD_LAYER_VALIDATE_FUNC(GpuFsaConvolution2dValidate,
                                             reasonIfUnsupported,
                                             infos[0],
-                                            desc,
+                                            *desc,
                                             infos[2],
                                             infos[3]);
             }
@@ -107,13 +108,13 @@
                                                "TensorInfos should be of format: {input, output, weights, biases}.");
             }
 
-            auto desc = *(PolymorphicDowncast<const DepthwiseConvolution2dDescriptor*>(&descriptor));
+            auto desc = PolymorphicDowncast<const DepthwiseConvolution2dDescriptor *>(&descriptor);
             if (infos[3] == TensorInfo())
             {
                 FORWARD_LAYER_VALIDATE_FUNC(GpuFsaDepthwiseConvolution2dValidate,
                                             reasonIfUnsupported,
                                             infos[0],
-                                            desc,
+                                            *desc,
                                             infos[2],
                                             EmptyOptional());
             }
@@ -122,11 +123,33 @@
                 FORWARD_LAYER_VALIDATE_FUNC(GpuFsaDepthwiseConvolution2dValidate,
                                             reasonIfUnsupported,
                                             infos[0],
-                                            desc,
+                                            *desc,
                                             infos[2],
                                             infos[3]);
             }
         }
+        case LayerType::ElementwiseBinary:
+        {
+            if (infos.size() != 3)
+            {
+                throw InvalidArgumentException("Invalid number of ElementwiseBinary TensorInfos. "
+                                               "TensorInfos should be of format: {input0, input1, output0}.");
+            }
+
+            auto desc = PolymorphicDowncast<const ElementwiseBinaryDescriptor *>(&descriptor);
+            if (desc->m_Operation == BinaryOperation::Add)
+            {
+                FORWARD_LAYER_VALIDATE_FUNC(GpuFsaElementwiseBinaryAddValidate,
+                                            reasonIfUnsupported,
+                                            infos[0],
+                                            infos[1]);
+            }
+            else
+            {
+                throw InvalidArgumentException("Invalid ElementwiseBinary BinaryOperation operation.");
+            }
+            return false;
+        }
         case LayerType::Constant:
         case LayerType::Input:
         case LayerType::Output:
diff --git a/src/backends/gpuFsa/layers/CMakeLists.txt b/src/backends/gpuFsa/layers/CMakeLists.txt
index c174c51..bba795e 100644
--- a/src/backends/gpuFsa/layers/CMakeLists.txt
+++ b/src/backends/gpuFsa/layers/CMakeLists.txt
@@ -8,6 +8,8 @@
         GpuFsaConvolution2d.hpp
         GpuFsaDepthwiseConvolution2d.cpp
         GpuFsaDepthwiseConvolution2d.hpp
+        GpuFsaElementwiseBinaryAdd.cpp
+        GpuFsaElementwiseBinaryAdd.hpp
     )
 
 add_library(armnnGpuFsaBackendLayerValidators OBJECT ${armnnGpuFsaBackendLayerValidators_sources})
diff --git a/src/backends/gpuFsa/layers/GpuFsaDepthwiseConvolution2d.cpp b/src/backends/gpuFsa/layers/GpuFsaDepthwiseConvolution2d.cpp
index 01a36f2..dd55d4d 100644
--- a/src/backends/gpuFsa/layers/GpuFsaDepthwiseConvolution2d.cpp
+++ b/src/backends/gpuFsa/layers/GpuFsaDepthwiseConvolution2d.cpp
@@ -18,7 +18,6 @@
 
 #include <arm_compute/dynamic_fusion/runtime/gpu/cl/ClWorkloadRuntime.h>
 #include <arm_compute/dynamic_fusion/sketch/gpu/GpuWorkloadContext.h>
-#include <src/dynamic_fusion/sketch/gpu/GpuWorkloadContextImpl.h>
 #include <arm_compute/dynamic_fusion/sketch/gpu/operators/GpuDepthwiseConv2d.h>
 #include <arm_compute/dynamic_fusion/sketch/gpu/operators/GpuOutput.h>
 
diff --git a/src/backends/gpuFsa/layers/GpuFsaElementwiseBinaryAdd.cpp b/src/backends/gpuFsa/layers/GpuFsaElementwiseBinaryAdd.cpp
new file mode 100644
index 0000000..bc8b370
--- /dev/null
+++ b/src/backends/gpuFsa/layers/GpuFsaElementwiseBinaryAdd.cpp
@@ -0,0 +1,86 @@
+//
+// Copyright © 2024 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "GpuFsaElementwiseBinaryAdd.hpp"
+
+#include <armnn/Types.hpp>
+
+#include <aclCommon/ArmComputeTensorUtils.hpp>
+
+#include <arm_compute/core/CL/CLKernelLibrary.h>
+
+#include <arm_compute/dynamic_fusion/sketch/gpu/operators/GpuAdd.h>
+#include <arm_compute/dynamic_fusion/sketch/gpu/operators/GpuOutput.h>
+#include <arm_compute/dynamic_fusion/sketch/gpu/GpuWorkloadContext.h>
+#include <arm_compute/dynamic_fusion/sketch/gpu/GpuWorkloadSketch.h>
+
+using namespace arm_compute::experimental::dynamic_fusion;
+
+namespace armnn
+{
+
+arm_compute::Status GpuFsaElementwiseBinaryAddValidate(const TensorInfo& input0,
+                                                       const TensorInfo& input1)
+{
+    using namespace armcomputetensorutils;
+
+    // Create a new workload sketch, for validation purposes
+    auto compileCtx         = arm_compute::CLKernelLibrary::get().get_compile_context();
+    auto workloadContext    = GpuWorkloadContext(&compileCtx);
+    GpuWorkloadSketch sketch{ &workloadContext };
+
+    arm_compute::TensorInfo aclInput0Info = BuildArmComputeTensorInfo(input0, input0.GetNumDimensions());
+    arm_compute::TensorInfo aclInput1Info = BuildArmComputeTensorInfo(input1, input1.GetNumDimensions());
+
+    aclInput0Info.set_are_values_constant(input0.IsConstant());
+    aclInput1Info.set_are_values_constant(input1.IsConstant());
+
+    arm_compute::ITensorInfo*  inputInfo0 = workloadContext.create_tensor_info(aclInput0Info);
+    arm_compute::ITensorInfo*  inputInfo1 = workloadContext.create_tensor_info(aclInput1Info);
+
+    return GpuAdd::validate_op(sketch, inputInfo0, inputInfo1);
+}
+
+void GpuFsaElementwiseBinaryAddCreateOp(GpuFsaPreCompiledBlob* blob,
+                                        const TensorInfo& input0,
+                                        const TensorInfo& input1)
+{
+    using namespace armcomputetensorutils;
+
+    GpuWorkloadSketch* sketch           = blob->sketch.get();
+    GpuWorkloadContext* workloadContext = blob->workloadContext.get();
+    std::vector<arm_compute::ITensorInfo*> inputTensorInfos  = {};
+    std::vector<arm_compute::ITensorInfo*> outputTensorInfos = {};
+
+    arm_compute::TensorInfo aclInput0Info = BuildArmComputeTensorInfo(input0, input0.GetNumDimensions());
+    arm_compute::TensorInfo aclInput1Info = BuildArmComputeTensorInfo(input1, input1.GetNumDimensions());
+
+    aclInput0Info.set_are_values_constant(input0.IsConstant());
+    aclInput1Info.set_are_values_constant(input1.IsConstant());
+
+    inputTensorInfos.emplace_back(workloadContext->create_tensor_info(aclInput0Info));
+    inputTensorInfos.emplace_back(workloadContext->create_tensor_info(aclInput1Info));
+
+    // Validate operator, check status and update reasonIfUnsupported
+    arm_compute::Status aclStatus = GpuAdd::validate_op(*sketch, inputTensorInfos[0], inputTensorInfos[1]);
+    const bool supported = aclStatus.error_code() == arm_compute::ErrorCode::OK;
+    if (!supported)
+    {
+        throw BackendCapabilityException("\"GpuFsa\" backend failed during elementwise binary add validation");
+    }
+
+    arm_compute::ITensorInfo* addOutputInfo =
+            GpuAdd::create_op(*sketch, inputTensorInfos[0], inputTensorInfos[1]);
+
+    // Temporary fix until fusing attempt is make for GpuFsa backend and Output layer workload is created.
+    outputTensorInfos.emplace_back(workloadContext->create_tensor_info());
+    GpuOutput::create_op(*sketch, addOutputInfo, outputTensorInfos[0]);
+
+    // Store the TensorInfos within the blob as unique_ptrs to be used later
+    blob->inputTensorInfos  = std::make_unique<std::vector<arm_compute::ITensorInfo*>>(inputTensorInfos);
+    blob->outputTensorInfos = std::make_unique<std::vector<arm_compute::ITensorInfo*>>(outputTensorInfos);
+}
+
+} // namespace armnn
\ No newline at end of file
diff --git a/src/backends/gpuFsa/layers/GpuFsaElementwiseBinaryAdd.hpp b/src/backends/gpuFsa/layers/GpuFsaElementwiseBinaryAdd.hpp
new file mode 100644
index 0000000..8221f0e
--- /dev/null
+++ b/src/backends/gpuFsa/layers/GpuFsaElementwiseBinaryAdd.hpp
@@ -0,0 +1,26 @@
+//
+// Copyright © 2024 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <armnn/Descriptors.hpp>
+#include <armnn/Tensor.hpp>
+
+#include <arm_compute/core/Error.h>
+#include <arm_compute/dynamic_fusion/sketch/gpu/GpuWorkloadSketch.h>
+#include <gpuFsa/GpuFsaBackend.hpp>
+
+namespace armnn
+{
+
+    using namespace arm_compute::experimental::dynamic_fusion;
+
+    arm_compute::Status GpuFsaElementwiseBinaryAddValidate(const TensorInfo& input0,
+                                                           const TensorInfo& input1);
+
+    void GpuFsaElementwiseBinaryAddCreateOp(GpuFsaPreCompiledBlob* blob,
+                                            const TensorInfo& input0,
+                                            const TensorInfo& input1);
+
+} // namespace armnn
\ No newline at end of file
diff --git a/src/backends/gpuFsa/test/GpuFsaEndToEndTests.cpp b/src/backends/gpuFsa/test/GpuFsaEndToEndTests.cpp
index 79dd9d3..9972b24 100644
--- a/src/backends/gpuFsa/test/GpuFsaEndToEndTests.cpp
+++ b/src/backends/gpuFsa/test/GpuFsaEndToEndTests.cpp
@@ -6,7 +6,9 @@
 #include "backendsCommon/test/EndToEndTestImpl.hpp"
 
 #include "backendsCommon/test/Convolution2dEndToEndTestImpl.hpp"
+
 #include "backendsCommon/test/DepthwiseConvolution2dEndToEndTests.hpp"
+#include "backendsCommon/test/ElementwiseBinaryEndToEndTestImpl.hpp"
 
 #include <doctest/doctest.h>
 
@@ -32,4 +34,15 @@
                                                                                        armnn::DataLayout::NHWC);
 }
 
+// ElementwiseBinary Add
+TEST_CASE("GpuFsaElementwiseBinaryAddTestFloat32")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float32>(gpuFsaDefaultBackends, BinaryOperation::Add);
+}
+
+TEST_CASE("GpuFsaElementwiseBinaryAddTestFloat16")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float16>(gpuFsaDefaultBackends, BinaryOperation::Add);
+}
+
 }
diff --git a/src/backends/gpuFsa/test/GpuFsaLayerSupportTests.cpp b/src/backends/gpuFsa/test/GpuFsaLayerSupportTests.cpp
index f162df0..49ddade 100644
--- a/src/backends/gpuFsa/test/GpuFsaLayerSupportTests.cpp
+++ b/src/backends/gpuFsa/test/GpuFsaLayerSupportTests.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2022-2024 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -61,4 +61,24 @@
     REQUIRE(reasonIfNotSupported.find("NCHW not supported by this kernel") != std::string::npos);
 }
 
+TEST_CASE("IsLayerSupportedGpuFsaElementWiseBinaryAdd")
+{
+    TensorInfo input0Info({ 2, 2 }, DataType::Float32);
+    TensorInfo input1Info({ 2, 2 }, DataType::Float32);
+    TensorInfo outputInfo({ 2, 2 }, DataType::Float32);
+
+    ElementwiseBinaryDescriptor desc;
+    desc.m_Operation = BinaryOperation::Add;
+
+    GpuFsaLayerSupport supportChecker;
+    std::string reasonIfNotSupported;
+    auto supported = supportChecker.IsLayerSupported(LayerType::ElementwiseBinary,
+                                                     {input0Info, input1Info, outputInfo},
+                                                     desc,
+                                                     EmptyOptional(),
+                                                     EmptyOptional(),
+                                                     reasonIfNotSupported);
+    CHECK(supported);
+}
+
 }
\ No newline at end of file
diff --git a/src/backends/gpuFsa/test/GpuFsaOptimizedNetworkTests.cpp b/src/backends/gpuFsa/test/GpuFsaOptimizedNetworkTests.cpp
index 7e094ce..673a52a 100644
--- a/src/backends/gpuFsa/test/GpuFsaOptimizedNetworkTests.cpp
+++ b/src/backends/gpuFsa/test/GpuFsaOptimizedNetworkTests.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2022-2024 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -134,4 +134,52 @@
                         &IsLayerOfType<OutputLayer>));
 }
 
+TEST_CASE("ElementwiseBinaryAddSupportedOptimizedNetwork")
+{
+    using namespace armnn;
+
+    const float qScale = 1.0f;
+    const int32_t qOffset = 0;
+
+    const TensorShape& input1Shape  = { 2, 2, 2 };
+    const TensorShape& input2Shape  = { 2, 2, 2 };
+    const TensorShape& outputShape  = { 2, 2, 2 };
+
+    TensorInfo input1TensorInfo(input1Shape, DataType::Float32, qScale, qOffset, true);
+    TensorInfo input2TensorInfo(input2Shape, DataType::Float32, qScale, qOffset, true);
+    TensorInfo outputTensorInfo(outputShape, DataType::Float32, qScale, qOffset);
+
+    IRuntime::CreationOptions options;
+    IRuntimePtr runtime(IRuntime::Create(options));
+    INetworkPtr network(INetwork::Create());
+
+    IConnectableLayer* input1 = network->AddInputLayer(0, "input0");
+    IConnectableLayer* input2 = network->AddInputLayer(1, "input1");
+
+    ElementwiseBinaryDescriptor desc;
+    desc.m_Operation = BinaryOperation::Add;
+
+    IConnectableLayer* elementwiseBinaryLayer = network->AddElementwiseBinaryLayer(desc, "elementwiseBinary");
+    IConnectableLayer* output = network->AddOutputLayer(2, "output");
+
+    Connect(input1, elementwiseBinaryLayer, input1TensorInfo, 0, 0);
+    Connect(input2, elementwiseBinaryLayer, input2TensorInfo, 0, 1);
+    Connect(elementwiseBinaryLayer, output, outputTensorInfo, 0, 0);
+
+    std::vector<BackendId> backends = { "GpuFsa" };
+
+    OptimizerOptionsOpaque optimizedOptions;
+    IOptimizedNetworkPtr optNet = Optimize(*network, backends, runtime->GetDeviceSpec(), optimizedOptions);
+    CHECK(optNet);
+
+    Graph& graph = GetGraphForTesting(optNet.get());
+
+    // Check graph layer sequence to ensure that the network has been replaced with a PreCompiledLayer
+    CHECK(CheckSequence(graph.cbegin(), graph.cend(),
+                        &IsLayerOfType<InputLayer>,
+                        &IsLayerOfType<InputLayer>,
+                        &IsLayerOfType<PreCompiledLayer>,
+                        &IsLayerOfType<OutputLayer>));
+}
+
 }
\ No newline at end of file
diff --git a/src/backends/neon/test/NeonEndToEndTests.cpp b/src/backends/neon/test/NeonEndToEndTests.cpp
index 9baded6..58c55e5 100644
--- a/src/backends/neon/test/NeonEndToEndTests.cpp
+++ b/src/backends/neon/test/NeonEndToEndTests.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017-2023 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2017-2024 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -151,6 +151,15 @@
     AdditionEndToEnd<armnn::DataType::QAsymmU8>(neonDefaultBackends);
 }
 
+TEST_CASE("NeonAdditionEndToEndFloat32Simple3DTest")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float32>(neonDefaultBackends, BinaryOperation::Add);
+}
+TEST_CASE("NeonAdditionEndToEndFloat16Simple3DTest")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float16>(neonDefaultBackends, BinaryOperation::Add);
+}
+
 // Power
 TEST_CASE("NeonPowerEndToEndTestFloat32")
 {
diff --git a/src/backends/reference/test/RefEndToEndTests.cpp b/src/backends/reference/test/RefEndToEndTests.cpp
index 199fbdf..185deb6 100644
--- a/src/backends/reference/test/RefEndToEndTests.cpp
+++ b/src/backends/reference/test/RefEndToEndTests.cpp
@@ -1787,6 +1787,14 @@
 {
     ElementwiseBinarySimpleEndToEnd<armnn::DataType::QAsymmU8>(defaultBackends, BinaryOperation::Add);
 }
+TEST_CASE("RefAddEndToEndTestFloat32Simple3D")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float32>(defaultBackends, BinaryOperation::Add);
+}
+TEST_CASE("RefAddEndToEndTestFloat16Simple3D")
+{
+    ElementwiseBinarySimple3DEndToEnd<armnn::DataType::Float16>(defaultBackends, BinaryOperation::Add);
+}
 TEST_CASE("RefDivEndToEndTestFloat32")
 {
     ElementwiseBinarySimpleEndToEnd<armnn::DataType::Float32>(defaultBackends, BinaryOperation::Div);