diff options
Diffstat (limited to 'gcc/cfghooks.c')
| -rw-r--r-- | gcc/cfghooks.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c index 7cf3cd50a66..bc1634aac87 100644 --- a/gcc/cfghooks.c +++ b/gcc/cfghooks.c @@ -510,9 +510,13 @@ split_block (basic_block bb, void *i) if (current_loops != NULL) { + edge_iterator ei; + edge e; add_bb_to_loop (new_bb, bb->loop_father); - if (bb->loop_father->latch == bb) - bb->loop_father->latch = new_bb; + /* Identify all loops bb may have been the latch of and adjust them. */ + FOR_EACH_EDGE (e, ei, new_bb->succs) + if (e->dest->loop_father->latch == bb) + e->dest->loop_father->latch = new_bb; } res = make_single_succ_edge (bb, new_bb, EDGE_FALLTHRU); |
