some graph reading code is executed when debug is not enabled

mindspore/ccsrc/backend/session/ascend_session.cc

@@ -169,7 +169,7 @@ GraphId AscendSession::CompileGraphImpl(NotNull<FuncGraphPtr> func_graph) {
   HardwareOptimize(NOT_NULL(root_graph), NOT_NULL(&memo));
   memo.clear();
   // load graphs to debugger.
-  if (debugger_) {
+  if (debugger_ && debugger_->DebuggerBackendEnabled()) {
     LoadGraphsToDbg(NOT_NULL(root_graph), NOT_NULL(&memo));
   }
   memo.clear();

mindspore/ccsrc/backend/session/gpu_session.cc

@@ -337,7 +337,7 @@ GraphId GPUSession::CompileGraphImpl(const AnfNodePtrList &lst, const AnfNodePtr
   AllocateMemory(graph.get());
 
 #ifdef ENABLE_DEBUGGER
-  if (debugger_) {
+  if (debugger_ && debugger_->DebuggerBackendEnabled()) {
     debugger_->LoadGraphs(graph);
   }
 #endif