IVGCVSW-4246 Clean build of backends with -Wextra

Change-Id: I9e8d5576b3ec04c871785d5f2f9545bf1136e59b
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>

4 files changed, 19 insertions, 15 deletions

diff --git a/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp b/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp
index 7ab5ee4ec4..6924beb820 100644
--- a/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp
+++ b/src/backends/backendsCommon/test/IsLayerSupportedTestImpl.hpp
@@ -414,6 +414,7 @@ struct LayerTypePolicy<armnn::LayerType::name, DataType> \
     static std::unique_ptr<armnn::IWorkload> MakeDummyWorkload(armnn::IWorkloadFactory *factory, \
         unsigned int nIn, unsigned int nOut) \
     { \
+        boost::ignore_unused(factory, nIn, nOut); \
         return std::unique_ptr<armnn::IWorkload>(); \
     } \
 };
diff --git a/src/backends/backendsCommon/test/MockBackend.cpp b/src/backends/backendsCommon/test/MockBackend.cpp
index c5a4ed9e52..367d9cb8a5 100644
--- a/src/backends/backendsCommon/test/MockBackend.cpp
+++ b/src/backends/backendsCommon/test/MockBackend.cpp
@@ -88,7 +88,7 @@ const BackendId& MockBackend::GetIdStatic()
 }
 
 IBackendInternal::IWorkloadFactoryPtr MockBackend::CreateWorkloadFactory(
-    const IBackendInternal::IMemoryManagerSharedPtr& memoryManager) const
+    const IBackendInternal::IMemoryManagerSharedPtr& /*memoryManager*/) const
 {
     return IWorkloadFactoryPtr{};
 }
diff --git a/src/backends/backendsCommon/test/MockBackend.hpp b/src/backends/backendsCommon/test/MockBackend.hpp
index 437f23d2b3..771e499280 100644
--- a/src/backends/backendsCommon/test/MockBackend.hpp
+++ b/src/backends/backendsCommon/test/MockBackend.hpp
@@ -37,32 +37,32 @@ public:
 
 class MockLayerSupport : public LayerSupportBase {
 public:
-    bool IsInputSupported(const TensorInfo& input,
-                          Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override
+    bool IsInputSupported(const TensorInfo& /*input*/,
+                          Optional<std::string&> /*reasonIfUnsupported = EmptyOptional()*/) const override
     {
         return true;
     }
 
-    bool IsOutputSupported(const TensorInfo& input,
-                          Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override
+    bool IsOutputSupported(const TensorInfo& /*input*/,
+                          Optional<std::string&> /*reasonIfUnsupported = EmptyOptional()*/) const override
     {
         return true;
     }
 
-    bool IsAdditionSupported(const TensorInfo& input0,
-                             const TensorInfo& input1,
-                             const TensorInfo& output,
-                             Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override
+    bool IsAdditionSupported(const TensorInfo& /*input0*/,
+                             const TensorInfo& /*input1*/,
+                             const TensorInfo& /*output*/,
+                             Optional<std::string&> /*reasonIfUnsupported = EmptyOptional()*/) const override
     {
         return true;
     }
 
-    bool IsConvolution2dSupported(const TensorInfo& input,
-                                  const TensorInfo& output,
-                                  const Convolution2dDescriptor& descriptor,
-                                  const TensorInfo& weights,
-                                  const Optional<TensorInfo>& biases,
-                                  Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override
+    bool IsConvolution2dSupported(const TensorInfo& /*input*/,
+                                  const TensorInfo& /*output*/,
+                                  const Convolution2dDescriptor& /*descriptor*/,
+                                  const TensorInfo& /*weights*/,
+                                  const Optional<TensorInfo>& /*biases*/,
+                                  Optional<std::string&> /*reasonIfUnsupported = EmptyOptional()*/) const override
     {
         return true;
     }
diff --git a/src/backends/backendsCommon/test/TestDynamicBackend.cpp b/src/backends/backendsCommon/test/TestDynamicBackend.cpp
index a53f1698c2..cbfe09377e 100644
--- a/src/backends/backendsCommon/test/TestDynamicBackend.cpp
+++ b/src/backends/backendsCommon/test/TestDynamicBackend.cpp
@@ -7,6 +7,8 @@
 
 #include <armnn/backends/IBackendInternal.hpp>
 
+#include <boost/core/ignore_unused.hpp>
+
 constexpr const char* TestDynamicBackendId()
 {
 #if defined(VALID_TEST_DYNAMIC_BACKEND_1)
@@ -63,6 +65,7 @@ public:
     }
     IWorkloadFactoryPtr CreateWorkloadFactory(const IMemoryManagerSharedPtr& memoryManager) const override
     {
+        boost::ignore_unused(memoryManager);
         return IWorkloadFactoryPtr{};
     }
     ILayerSupportSharedPtr GetLayerSupport() const override