The following makes it work on the non-main exit.
* tree-vect-loop-manip.cc (vect_update_ivs_after_vectorizer):
Avoid explicit LOOP_VINFO_IV_EXIT reference.
gphi_iterator gsi, gsi1;
class loop *loop = LOOP_VINFO_LOOP (loop_vinfo);
basic_block update_bb = update_e->dest;
- basic_block exit_bb = LOOP_VINFO_IV_EXIT (loop_vinfo)->dest;
+ basic_block exit_bb = update_e->src;
gimple_stmt_iterator last_gsi = gsi_last_bb (exit_bb);
for (gsi = gsi_start_phis (loop->header), gsi1 = gsi_start_phis (update_bb);