{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"\"iglp.opt\""}]}
                    "iglp.opt" => "__builtin_amdgcn_iglp_opt",
                    "groupstaticsize" => "__builtin_amdgcn_groupstaticsize",
                    "implicit.buffer.ptr" => "__builtin_amdgcn_implicit_buffer_ptr",