!10969 fix dropout pynative unify_ir pattern

From: @yuchaojie
Reviewed-by: @zhoufeng54,@kisnwang
Signed-off-by: @kisnwang

mindspore/ccsrc/backend/optimizer/ascend/mindir/dropout_unify_mindir.cc

@@ -314,28 +314,14 @@ const AnfNodePtr DropoutGradUnifyMindIR::Process(const FuncGraphPtr &func_graph,
 
 const BaseRef DropoutUnifyMindIRPynative::DefinePattern() const {
   VarPtr X = std::make_shared<Var>();
-  VarPtr Y = std::make_shared<Var>();
-  VarPtr Z = std::make_shared<Var>();
-  auto dropout = VectorRef({prim::kPrimDropout, X});
-  auto getitem0 = VectorRef({prim::kPrimTupleGetItem, dropout, Y});
-  auto getitem1 = VectorRef({prim::kPrimTupleGetItem, dropout, Z});
-  auto maketuple = VectorRef({prim::kPrimMakeTuple, getitem0, getitem1});
-  return maketuple;
+  return VectorRef({prim::kPrimDropout, X});
 }
 
 const AnfNodePtr DropoutUnifyMindIRPynative::Process(const FuncGraphPtr &func_graph, const AnfNodePtr &node,
                                                      const EquivPtr &) const {
   MS_EXCEPTION_IF_NULL(func_graph);
   MS_EXCEPTION_IF_NULL(node);
-  auto maketuple_cnode = node->cast<CNodePtr>();
-  MS_EXCEPTION_IF_NULL(maketuple_cnode);
-  auto getitem0_node = maketuple_cnode->input(1);
-  MS_EXCEPTION_IF_NULL(getitem0_node);
-  auto getitem1_node = maketuple_cnode->input(2);
-  MS_EXCEPTION_IF_NULL(getitem1_node);
-  auto getitem1_cnode = getitem1_node->cast<CNodePtr>();
-  MS_EXCEPTION_IF_NULL(getitem1_cnode);
-  auto dropout_node = getitem1_cnode->input(1);
+  auto dropout_node = node->cast<CNodePtr>();
   MS_EXCEPTION_IF_NULL(dropout_node);
 
   auto inputx_type_id = GetInputXDataType(dropout_node);
@@ -368,13 +354,9 @@ const AnfNodePtr DropoutUnifyMindIRPynative::Process(const FuncGraphPtr &func_gr
   dropout_do_mask->set_abstract(do_mask_abstract);
   dropout_do_mask->set_scope(node->scope());
 
-  // replace genmask and domask
-  auto manager = func_graph->manager();
-  MS_EXCEPTION_IF_NULL(manager);
-  (void)manager->Replace(getitem0_node, dropout_do_mask);
-  (void)manager->Replace(getitem1_node, dropout_gen_mask);
-
-  return node;
+  std::vector<AnfNodePtr> make_tuple_inputs{NewValueNode(prim::kPrimMakeTuple), dropout_do_mask, dropout_gen_mask};
+  auto make_tuple = func_graph->NewCNode(make_tuple_inputs);
+  return make_tuple;
 }
 
 const BaseRef DropoutGradUnifyMindIRPynative::DefinePattern() const {