{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"\"read.smid\""}]}
                    "read.smid" => "__builtin_ptx_read_smid",
                    "read.pm3" => "__builtin_ptx_read_pm3",
                    "read.warpid" => "__builtin_ptx_read_warpid",