fix update buffer commands check

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

Author: KseniyaTikhomirova

sycl/source/detail/scheduler/commands.cpp

@@ -3664,6 +3664,10 @@ UpdateCommandBufferCommand::UpdateCommandBufferCommand(
     : Command(CommandType::UPDATE_CMD_BUFFER, Queue), MGraph(Graph),
       MNodes(Nodes) {}
 
+bool UpdateCommandBufferCommand::producesPiEvent() const {
+  return !MPreparedDepsEvents.empty();
+}
+
 ur_result_t UpdateCommandBufferCommand::enqueueImp() {
   waitForPreparedHostEvents();
   std::vector<EventImplPtr> EventImpls = MPreparedDepsEvents;

sycl/source/detail/scheduler/commands.hpp

@@ -719,6 +719,7 @@ class UpdateCommandBufferCommand : public Command {
 
   void printDot(std::ostream &Stream) const final;
   void emitInstrumentationData() final;
+  bool producesPiEvent() const final;
 
 private:
   ur_result_t enqueueImp() final;