{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"//"}]}
        // Truncate vector to an <i1 x N>
        let i_xn_msb = bx.lshr(i_xn, bx.const_vector(shift_indices.as_slice()));
        bx.trunc(i_xn_msb, bx.type_vector(bx.type_i1(), in_len))