IVGCVSW-4483 Remove boost::polymorphic_downcast

 * exchange boost::polymorphic_downcast with armnn::PolymorphicDowncast
 * remove unnecessary includes of boost::polymorphic_downcast

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: Ie603fb82860fe05fee547dc78073230cc62b2e1f

1 files changed, 3 insertions, 5 deletions

diff --git a/src/backends/backendsCommon/WorkloadUtils.hpp b/src/backends/backendsCommon/WorkloadUtils.hpp
index a4da924725..354362ec8f 100644
--- a/src/backends/backendsCommon/WorkloadUtils.hpp
+++ b/src/backends/backendsCommon/WorkloadUtils.hpp
@@ -8,15 +8,13 @@
 #include "CpuTensorHandle.hpp"
 
 #include <armnn/backends/ITensorHandle.hpp>
-
 #include <armnn/Tensor.hpp>
-
+#include <armnn/utility/PolymorphicDowncast.hpp>
 #include <armnnUtils/Permute.hpp>
 
 #include <Half.hpp>
 #include <Profiling.hpp>
 
-#include <boost/cast.hpp>
 
 namespace armnn
 {
@@ -198,9 +196,9 @@ void GatherTensorHandlePairs(const DescriptorType& descriptor,
     for (unsigned int i = 0; i < numInputs; ++i)
     {
         SrcTensorHandleType* const srcTensorHandle =
-            boost::polymorphic_downcast<SrcTensorHandleType*>(descriptor.m_Inputs[i]);
+            PolymorphicDowncast<SrcTensorHandleType*>(descriptor.m_Inputs[i]);
         DstTensorHandleType* const dstTensorHandle =
-            boost::polymorphic_downcast<DstTensorHandleType*>(descriptor.m_Outputs[i]);
+            PolymorphicDowncast<DstTensorHandleType*>(descriptor.m_Outputs[i]);
 
         tensorHandlePairs.emplace_back(srcTensorHandle, dstTensorHandle);
     }