[Bug target/100865] pass_data_constant_pool_broadcast doesn't work on TImode

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100865

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
(insn 6 5 9 2 (set (reg:V1TI 84)
        (mem/u/c:V1TI (symbol_ref/u:DI ("*.LC0") [flags 0x2]) [0  S16 A128]))
"test.c":5:3 1474 {movv1ti_internal}
     (expr_list:REG_EQUAL (const_vector:V1TI [
                (const_wide_int 0xc0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c)
            ])
For V1TImode, we don't know vec_duplicate of what, it could be (subreg:V1TI
(vec_duplicate:v4si (si)) 0) or (subreg:V1TI (vec_duplicate:v8hi (hi)) 0) or
(subreg:V1TI (vec_duplicate:v16qi (qi)) 0)