IVGCVSW-4621 Add CL FILL Workload

* Add CL workload for Fill Operator
* Enabled Fill operator tests on CL
* CLFill function does not have validate() function yet
  IsLayerSupported() function return true at the moment
* Enabled int32 to tests on backends

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: I9f8cc6d1c86f832ba46a8d170572f4cfcde9ab17
diff --git a/src/backends/cl/workloads/CMakeLists.txt b/src/backends/cl/workloads/CMakeLists.txt
index 6baeae0..fe9c9fa 100644
--- a/src/backends/cl/workloads/CMakeLists.txt
+++ b/src/backends/cl/workloads/CMakeLists.txt
@@ -38,6 +38,8 @@
     ClDivisionFloatWorkload.hpp
     ClExpWorkload.cpp
     ClExpWorkload.hpp
+    ClFillWorkload.cpp
+    ClFillWorkload.hpp
     ClFloorFloatWorkload.cpp
     ClFloorFloatWorkload.hpp
     ClFullyConnectedWorkload.cpp
diff --git a/src/backends/cl/workloads/ClFillWorkload.cpp b/src/backends/cl/workloads/ClFillWorkload.cpp
new file mode 100644
index 0000000..47a70bc
--- /dev/null
+++ b/src/backends/cl/workloads/ClFillWorkload.cpp
@@ -0,0 +1,35 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include "ClFillWorkload.hpp"
+
+#include "ClWorkloadUtils.hpp"
+
+#include <cl/ClTensorHandle.hpp>
+#include <aclCommon/ArmComputeTensorUtils.hpp>
+#include <arm_compute/core/Types.h>
+
+namespace armnn
+{
+using namespace armcomputetensorutils;
+
+ClFillWorkload::ClFillWorkload(const FillQueueDescriptor& descriptor, const WorkloadInfo& info)
+    : BaseWorkload<FillQueueDescriptor>(descriptor, info)
+{
+    m_Data.ValidateInputsOutputs("ClFillWorkload", 1, 1);
+
+    arm_compute::ICLTensor& output = static_cast<IClTensorHandle*>(this->m_Data.m_Outputs[0])->GetTensor();
+    arm_compute::PixelValue pixelValue = GetPixelValue(output, descriptor.m_Parameters.m_Value);
+
+    m_Layer.configure(&output, pixelValue);
+}
+
+void ClFillWorkload::Execute() const
+{
+    ARMNN_SCOPED_PROFILING_EVENT_CL("ClFillWorkload_Execute");
+    RunClFunction(m_Layer, CHECK_LOCATION());
+}
+
+} // namespace armnn
diff --git a/src/backends/cl/workloads/ClFillWorkload.hpp b/src/backends/cl/workloads/ClFillWorkload.hpp
new file mode 100644
index 0000000..8919445
--- /dev/null
+++ b/src/backends/cl/workloads/ClFillWorkload.hpp
@@ -0,0 +1,24 @@
+//
+// Copyright © 2020 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/WorkloadData.hpp>
+#include <backendsCommon/Workload.hpp>
+#include <arm_compute/runtime/CL/functions/CLFill.h>
+
+namespace armnn {
+
+class ClFillWorkload : public BaseWorkload<FillQueueDescriptor>
+{
+public:
+    ClFillWorkload(const FillQueueDescriptor& descriptor, const WorkloadInfo& info);
+    void Execute() const override;
+
+private:
+    mutable arm_compute::CLFill m_Layer;
+};
+
+} //namespace armnn
diff --git a/src/backends/cl/workloads/ClWorkloads.hpp b/src/backends/cl/workloads/ClWorkloads.hpp
index 5c81079..99f3e62 100644
--- a/src/backends/cl/workloads/ClWorkloads.hpp
+++ b/src/backends/cl/workloads/ClWorkloads.hpp
@@ -18,6 +18,7 @@
 #include "ClDequantizeWorkload.hpp"
 #include "ClDivisionFloatWorkload.hpp"
 #include "ClExpWorkload.hpp"
+#include "ClFillWorkload.hpp"
 #include "ClFloorFloatWorkload.hpp"
 #include "ClFullyConnectedWorkload.hpp"
 #include "ClGatherWorkload.hpp"