!14643 [Grad Accumulation]Fix transdata-depend-load can't eliminate.

From: @linqingke
Reviewed-by: @xu-yfei,@guoqi1024
Signed-off-by: @xu-yfei

mindspore/ccsrc/backend/optimizer/common/helper.cc

@@ -472,7 +472,7 @@ bool IsNotRealUsedByOthers(const FuncGraphPtr &graph, const AnfNodePtr &node) {
     auto out_node = output.first;
     auto name = AnfAlgo::GetCNodeName(out_node);
     if (name == prim::kPrimDepend->name() || name == prim::kPrimMakeTuple->name() ||
-        name == prim::kPrimTupleGetItem->name()) {
+        name == prim::kPrimTupleGetItem->name() || name == prim::kPrimLoad->name()) {
       auto result = IsNotRealUsedByOthers(graph, out_node);
       if (!result) {
         return result;

mindspore/ccsrc/backend/optimizer/pass/optimize_dependence.cc

@@ -52,11 +52,12 @@ CNodePtr CreateNewDependNode(const FuncGraphPtr &func_graph, const CNodePtr &cno
 
 CNodePtr CheckIsolatedVirtualNode(const CNodePtr &cnode) {
   MS_EXCEPTION_IF_NULL(cnode);
-  if (AnfAlgo::GetCNodeName(cnode) != prim::kPrimDepend->name()) {
+  if (AnfAlgo::GetCNodeName(cnode) != prim::kPrimDepend->name() &&
+      AnfAlgo::GetCNodeName(cnode) != prim::kPrimLoad->name()) {
     return nullptr;
   }
   auto virtual_input_op = AnfAlgo::GetInputNode(cnode, kIsolatedDependVirtualInputIndex);
-  if (!AnfAlgo::CheckPrimitiveType(virtual_input_op, prim::kPrimUpdateState)) {
+  if (!HasAbstractMonad(virtual_input_op)) {
     return nullptr;
   }
   auto real_input_op = AnfAlgo::GetInputNode(cnode, kIsolatedDependRealInputIndex);