{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"\"workgroup.id.x\""}]}
                    "workgroup.id.x" => "__builtin_amdgcn_workgroup_id_x",
                    "wavefrontsize" => "__builtin_amdgcn_wavefrontsize",
                    "workgroup.id.y" => "__builtin_amdgcn_workgroup_id_y",