[NewIR] add_arg_mapping_for_fetch (#56752)

* add_arg_mapping_for_fetch

* fix

* fix

paddle/fluid/ir_adaptor/translator/op_compat_gen.py

@@ -128,6 +128,7 @@ def OpNameNormalizerInitialization(
 
     # special mapping list
     op_arg_name_mappings["set_value_grad"]["values_grad"] = "ValueTensor@GRAD"
+    op_arg_name_mappings["fetch"] = {"x": "X"}
 
     op_name_normailzer_template = env.get_template("op_compat_info.cc.j2")
     with open(output_source_file, 'wt') as f:

paddle/fluid/ir_adaptor/translator/op_translator.cc

@@ -1699,6 +1699,7 @@ OpTranslator::OpTranslator() {
   special_handlers["cast"] = CastOpTranscriber();
   special_handlers["feed"] = FeedOpTranscriber();
   special_handlers["data"] = DataOpTranscriber();
+  special_handlers["fetch"] = FetchOpTranscriber();
   special_handlers["fetch_v2"] = FetchOpTranscriber();
   special_handlers["fill_constant"] = FillConstantTranscriber();
   special_handlers["grad_add"] = GradAddOpTranscriber();