{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"\"shfl.sync.idx.i32\""}]}
                    "shfl.sync.idx.i32" => "__nvvm_shfl_sync_idx_i32",
                    "shfl.sync.idx.f32" => "__nvvm_shfl_sync_idx_f32",
                    "shfl.sync.up.f32" => "__nvvm_shfl_sync_up_f32",