{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"\"shfl.sync.bfly.i32\""}]}
                    "shfl.sync.bfly.i32" => "__nvvm_shfl_sync_bfly_i32",
                    "shfl.sync.bfly.f32" => "__nvvm_shfl_sync_bfly_f32",
                    "shfl.sync.down.f32" => "__nvvm_shfl_sync_down_f32",