fix warnings in graph

Signed-off-by: Tikhomirova, Kseniya <[email protected]>

Author: KseniyaTikhomirova

sycl/source/detail/graph_impl.cpp

@@ -1639,7 +1639,7 @@ node modifiable_command_graph::addImpl(dynamic_command_group &DynCGF,
 
   graph_impl::WriteLock Lock(impl->MMutex);
   std::shared_ptr<detail::node_impl> NodeImpl = impl->add(DynCGFImpl, DepImpls);
-  return sycl::detail::createSyclObjFromImpl<node>(NodeImpl);
+  return sycl::detail::createSyclObjFromImpl<node>(std::move(NodeImpl));
 }
 
 node modifiable_command_graph::addImpl(const std::vector<node> &Deps) {
@@ -1651,7 +1651,7 @@ node modifiable_command_graph::addImpl(const std::vector<node> &Deps) {
 
   graph_impl::WriteLock Lock(impl->MMutex);
   std::shared_ptr<detail::node_impl> NodeImpl = impl->add(DepImpls);
-  return sycl::detail::createSyclObjFromImpl<node>(NodeImpl);
+  return sycl::detail::createSyclObjFromImpl<node>(std::move(NodeImpl));
 }
 
 node modifiable_command_graph::addImpl(std::function<void(handler &)> CGF,
@@ -1664,7 +1664,7 @@ node modifiable_command_graph::addImpl(std::function<void(handler &)> CGF,
 
   graph_impl::WriteLock Lock(impl->MMutex);
   std::shared_ptr<detail::node_impl> NodeImpl = impl->add(CGF, {}, DepImpls);
-  return sycl::detail::createSyclObjFromImpl<node>(NodeImpl);
+  return sycl::detail::createSyclObjFromImpl<node>(std::move(NodeImpl));
 }
 
 void modifiable_command_graph::addGraphLeafDependencies(node Node) {

sycl/source/detail/graph_impl.hpp

@@ -140,7 +140,8 @@ class node_impl : public std::enable_shared_from_this<node_impl> {
   /// @param NodeType Type of the command-group.
   /// @param CommandGroup The CG which stores the command information for this
   /// node.
-  node_impl(node_type NodeType, std::shared_ptr<sycl::detail::CG> CommandGroup)
+  node_impl(node_type NodeType,
+            const std::shared_ptr<sycl::detail::CG> &CommandGroup)
       : MCGType(CommandGroup->getType()), MNodeType(NodeType),
         MCommandGroup(CommandGroup) {
     if (NodeType == node_type::subgraph) {