diff options
Diffstat (limited to 'gcc-4.9/gcc/cfghooks.c')
| -rw-r--r-- | gcc-4.9/gcc/cfghooks.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/gcc-4.9/gcc/cfghooks.c b/gcc-4.9/gcc/cfghooks.c index 87da0d02a..76486b28c 100644 --- a/gcc-4.9/gcc/cfghooks.c +++ b/gcc-4.9/gcc/cfghooks.c @@ -568,14 +568,10 @@ delete_basic_block (basic_block bb) struct loop *loop = bb->loop_father; /* If we remove the header or the latch of a loop, mark the loop for - removal by setting its header and latch to NULL. */ + removal. */ if (loop->latch == bb || loop->header == bb) - { - loop->header = NULL; - loop->latch = NULL; - loops_state_set (LOOPS_NEED_FIXUP); - } + mark_loop_for_removal (loop); remove_bb_from_loops (bb); } @@ -759,11 +755,7 @@ merge_blocks (basic_block a, basic_block b) /* ... we merge two loop headers, in which case we kill the inner loop. */ if (b->loop_father->header == b) - { - b->loop_father->header = NULL; - b->loop_father->latch = NULL; - loops_state_set (LOOPS_NEED_FIXUP); - } + mark_loop_for_removal (b->loop_father); } /* If we merge a loop header into its predecessor, update the loop structure. */ @@ -1098,9 +1090,7 @@ duplicate_block (basic_block bb, edge e, basic_block after) && cloop->header == bb) { add_bb_to_loop (new_bb, loop_outer (cloop)); - cloop->header = NULL; - cloop->latch = NULL; - loops_state_set (LOOPS_NEED_FIXUP); + mark_loop_for_removal (cloop); } else { |