From dd6beb0a811efaf9f41c5406709cfc1b61ab428b Mon Sep 17 00:00:00 2001
From: yuchaojie <yuchaojie1@huawei.com>
Date: Fri, 25 Jun 2021 14:16:43 +0800
Subject: [PATCH] fix bug of UnifyMindIR repeatly match same node

---
 mindspore/ccsrc/backend/session/ascend_session.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mindspore/ccsrc/backend/session/ascend_session.cc b/mindspore/ccsrc/backend/session/ascend_session.cc
index 101c1bead02..2354f36cc84 100644
--- a/mindspore/ccsrc/backend/session/ascend_session.cc
+++ b/mindspore/ccsrc/backend/session/ascend_session.cc
@@ -389,8 +389,8 @@ GraphId AscendSession::CompileGraphImpl(NotNull<FuncGraphPtr> func_graph) {
   auto root_graph = ConstructKernelGraph(func_graph, &all_graphs);
   for (const auto &graph : all_graphs) {
     graph->set_root_graph_id(root_graph->graph_id());
-    UnifyMindIR(graph);
   }
+  UnifyMindIR(root_graph);
   // Update Graph Dynamic Shape Attr
   UpdateAllGraphDynamicShapeAttr(all_graphs);
   opt::BackendCommonOptimization(root_graph);