From 4153c2c786e54c451d087bfc13d0cb71e9fee586 Mon Sep 17 00:00:00 2001
From: Robert Maynard <robert.maynard@kitware.com>
Date: Tue, 19 Jan 2016 10:54:08 -0500
Subject: [PATCH] Found a few more places where we don't need to return by
 value.

---
 vtkm/cont/DynamicArrayHandle.h | 5 ++---
 vtkm/cont/DynamicCellSet.h     | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/vtkm/cont/DynamicArrayHandle.h b/vtkm/cont/DynamicArrayHandle.h
index 139a2a4a0..853028a4e 100644
--- a/vtkm/cont/DynamicArrayHandle.h
+++ b/vtkm/cont/DynamicArrayHandle.h
@@ -114,7 +114,7 @@ struct DynamicArrayHandleCopyHelper {
   template<typename TypeList, typename StorageList>
   VTKM_CONT_EXPORT
   static
-  boost::shared_ptr<vtkm::cont::detail::PolymorphicArrayHandleContainerBase>
+  const boost::shared_ptr<vtkm::cont::detail::PolymorphicArrayHandleContainerBase>&
   GetArrayHandleContainer(const vtkm::cont::DynamicArrayHandleBase<TypeList,StorageList> &src)
   {
     return src.ArrayContainer;
@@ -148,8 +148,7 @@ template<typename Type, typename Storage>
 VTKM_CONT_EXPORT
 vtkm::cont::ArrayHandle<Type,Storage> *
 DynamicArrayHandleTryCast(
-      boost::shared_ptr<vtkm::cont::detail::PolymorphicArrayHandleContainerBase>
-      arrayContainer)
+  const boost::shared_ptr<vtkm::cont::detail::PolymorphicArrayHandleContainerBase>& arrayContainer)
 {
   return detail::DynamicArrayHandleTryCast<Type,Storage>(arrayContainer.get());
 }
diff --git a/vtkm/cont/DynamicCellSet.h b/vtkm/cont/DynamicCellSet.h
index 26063f8f1..34023022a 100644
--- a/vtkm/cont/DynamicCellSet.h
+++ b/vtkm/cont/DynamicCellSet.h
@@ -49,7 +49,7 @@ struct DynamicCellSetCopyHelper {
   template<typename CellSetList>
   VTKM_CONT_EXPORT
   static
-  boost::shared_ptr<vtkm::cont::internal::SimplePolymorphicContainerBase>
+  const boost::shared_ptr<vtkm::cont::internal::SimplePolymorphicContainerBase>&
   GetCellSetContainer(const vtkm::cont::DynamicCellSetBase<CellSetList> &src)
   {
     return src.CellSetContainer;
@@ -83,8 +83,7 @@ template<typename CellSetType>
 VTKM_CONT_EXPORT
 CellSetType *
 DynamicCellSetTryCast(
-      boost::shared_ptr<vtkm::cont::internal::SimplePolymorphicContainerBase>
-      cellSetContainer)
+  const boost::shared_ptr<vtkm::cont::internal::SimplePolymorphicContainerBase>& cellSetContainer)
 {
   return detail::DynamicCellSetTryCast<CellSetType>(cellSetContainer.get());
 }