{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"\"read.lanemask.le\""}]}
                    "read.lanemask.le" => "__builtin_ptx_read_lanemask_le",
                    "read.lanemask.gt" => "__builtin_ptx_read_lanemask_gt",
                    "read.lanemask.lt" => "__builtin_ptx_read_lanemask_lt",