{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"\"s.memtime\""}]}
                    "s.memtime" => "__builtin_amdgcn_s_memtime",
                    "s.memrealtime" => "__builtin_amdgcn_s_memrealtime",
                    "s.monitor.sleep" => "__builtin_amdgcn_s_monitor_sleep",