{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"//"}]}
        // Bitcast <i1 x N> to iN:
        let i1xn = vector_mask_to_bitmask(bx, args[0].immediate(), in_elem_bitwidth, in_len);
        let i_ = bx.bitcast(i1xn, bx.type_ix(in_len));