end block can also have 0 predecessors
[libfirm] / ir / lower /
drwxr-xr-x   ..
-rw-r--r-- 21496 lower_calls.c
-rw-r--r-- 71249 lower_dw.c
-rw-r--r-- 17170 lower_hl.c
-rw-r--r-- 9716 lower_intrinsics.c
-rw-r--r-- 10940 lower_mode_b.c