{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"\"rsq.legacy\""}]}
                    "rsq.legacy" => "__builtin_amdgcn_rsq_legacy",
                    "rcp.legacy" => "__builtin_amdgcn_rcp_legacy",
                    "s.barrier" => "__builtin_amdgcn_s_barrier",