{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"\"udot8\""}]}
                    "udot8" => "__builtin_amdgcn_udot8",
                    "udot4" => "__builtin_amdgcn_udot4",
                    "wave.barrier" => "__builtin_amdgcn_wave_barrier",