[SYCL] Avoid saving code location if XPTI is disabled (#18005)

Author: slawekptak

sycl/source/detail/graph_impl.cpp

@@ -505,8 +505,10 @@ graph_impl::add(std::function<void(handler &)> CGF,
   // by adding a parameter to the graph.add function, but this will
   // break the API. At least capture code location from TLS, user
   // can set it before calling graph.add
-  sycl::detail::tls_code_loc_t Tls;
-  Handler.saveCodeLoc(Tls.query(), Tls.isToplevel());
+  if (xptiTraceEnabled()) {
+    sycl::detail::tls_code_loc_t Tls;
+    Handler.saveCodeLoc(Tls.query(), Tls.isToplevel());
+  }
 
   CGF(Handler);
 

sycl/source/detail/queue_impl.cpp

@@ -362,7 +362,9 @@ event queue_impl::submit_impl(const detail::type_erased_cgfo_ty &CGF,
                               const SubmissionInfo &SubmitInfo) {
   handler Handler(Self, PrimaryQueue, SecondaryQueue, CallerNeedsEvent);
   auto &HandlerImpl = detail::getSyclObjImpl(Handler);
-  Handler.saveCodeLoc(Loc, IsTopCodeLoc);
+  if (xptiTraceEnabled()) {
+    Handler.saveCodeLoc(Loc, IsTopCodeLoc);
+  }
 
   {
     NestedCallsTracker tracker;