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| 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/cfgloop.c | |
| parent | f65586dcd19846071fd94fed4fb1bf91843887d1 (diff) | |
| download | gcc-08c13199cf5568393fd46481d99cf1729480548a.zip gcc-08c13199cf5568393fd46481d99cf1729480548a.tar.gz gcc-08c13199cf5568393fd46481d99cf1729480548a.tar.bz2 | |
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/cfgloop.c')
| -rw-r--r-- | gcc/cfgloop.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/cfgloop.c b/gcc/cfgloop.c index dcf23ca..789c45a 100644 --- a/gcc/cfgloop.c +++ b/gcc/cfgloop.c @@ -1921,3 +1921,13 @@ bb_loop_depth (const_basic_block bb) { return bb->loop_father ? loop_depth (bb->loop_father) : 0; } + +/* Marks LOOP for removal and sets LOOPS_NEED_FIXUP. */ + +void +mark_loop_for_removal (loop_p loop) +{ + loop->header = NULL; + loop->latch = NULL; + loops_state_set (LOOPS_NEED_FIXUP); +} |