diff options
| author | Richard Biener <rguenther@suse.de> | 2014-09-05 09:17:49 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-09-05 09:17:49 +0000 |
| commit | 08c13199cf5568393fd46481d99cf1729480548a (patch) | |
| tree | 498eb05797e1926e45952564278499d1d7db531b /gcc/cfghooks.c | |
| parent | f65586dcd19846071fd94fed4fb1bf91843887d1 (diff) | |
cfgloop.c (mark_loop_for_removal): New function.
2014-09-05 Richard Biener <rguenther@suse.de>
* cfgloop.c (mark_loop_for_removal): New function.
* cfgloop.h (mark_loop_for_removal): Declare.
* cfghooks.c (delete_basic_block): Use mark_loop_for_removal.
(merge_blocks): Likewise.
(duplicate_block): Likewise.
* except.c (sjlj_emit_dispatch_table): Likewise.
* tree-eh.c (cleanup_empty_eh_merge_phis): Likewise.
* tree-ssa-threadupdate.c (ssa_redirect_edges): Likewise.
(thread_through_loop_header): Likewise.
From-SVN: r214942
Diffstat (limited to 'gcc/cfghooks.c')
| -rw-r--r-- | gcc/cfghooks.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/gcc/cfghooks.c b/gcc/cfghooks.c index 90bc6cf1e9f..fa18214e1ff 100644 --- a/gcc/cfghooks.c +++ b/gcc/cfghooks.c @@ -569,14 +569,10 @@ 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); } @@ -760,11 +756,7 @@ 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. */ @@ -1099,9 +1091,7 @@ 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 { |