!12008 change tuple_getitem name to op instance name

From: @zyli2020
Reviewed-by: @limingqi107,@cristoval,@limingqi107
Signed-off-by: @limingqi107

mindspore/ccsrc/frontend/parallel/ops_info/unique_info.cc

@@ -207,8 +207,10 @@ Status UniqueInfo::ComputeReplaceGraph(const CNodePtr &cnode) {
   auto minimum = gen_g.PushBack({gen_g.NewOpInst(MINIMUM), relu, CreateInt32Tensor(slice_size - 1)});
   auto equal = gen_g.PushBack({gen_g.NewOpInst(EQUAL), sub, minimum});
   auto unique = gen_g.PushBack({gen_g.NewOpInst(replace_op_name_), gen_g.virtual_input_node()});
-  auto tuple_getitem_0 = gen_g.PushBack({gen_g.NewOpInst(prim::kTupleGetItem), unique, CreatInt64Imm(0)});
-  auto tuple_getitem_1 = gen_g.PushBack({gen_g.NewOpInst(prim::kTupleGetItem), unique, CreatInt64Imm(1)});
+  // Use name of tuple_getitem instance in mindspore.ops.functional, not the Primitive name
+  const std::string &tuple_getitem_op = "tuple_getitem";
+  auto tuple_getitem_0 = gen_g.PushBack({gen_g.NewOpInst(tuple_getitem_op), unique, CreatInt64Imm(0)});
+  auto tuple_getitem_1 = gen_g.PushBack({gen_g.NewOpInst(tuple_getitem_op), unique, CreatInt64Imm(1)});
   auto dtype = gen_g.PushBack({gen_g.NewOpInst(DTYPE), tuple_getitem_1});
   auto cast = gen_g.PushBack({gen_g.NewOpInst(CAST), equal, dtype});
   auto mul = gen_g.PushBack({gen_g.NewOpInst(MUL), tuple_getitem_1, cast});