diff options
| author | Daniel Berlin <dberlin@dberlin.org> | 2005-05-18 13:29:38 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@gcc.gnu.org> | 2005-05-18 13:29:38 +0000 |
| commit | 2afa8dcedaa0b3db5444fe6086e991ac77bdd730 (patch) | |
| tree | 24154ad4da32dba37675b38d2241bffdb18e8307 /gcc | |
| parent | 23e66a36cb937636be796fce2f7d273209a80a4f (diff) | |
| download | gcc-2afa8dcedaa0b3db5444fe6086e991ac77bdd730.zip gcc-2afa8dcedaa0b3db5444fe6086e991ac77bdd730.tar.gz gcc-2afa8dcedaa0b3db5444fe6086e991ac77bdd730.tar.bz2 | |
cfgrtl.c (purge_dead_edges): Don't remove fake edges.
2005-05-18 Daniel Berlin <dberlin@dberlin.org>
* cfgrtl.c (purge_dead_edges): Don't remove fake edges.
From-SVN: r99897
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cfgrtl.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 11b9bc3..26c1162 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,8 @@ 2005-05-18 Daniel Berlin <dberlin@dberlin.org> + + * cfgrtl.c (purge_dead_edges): Don't remove fake edges. + +2005-05-18 Daniel Berlin <dberlin@dberlin.org> Fix PR tree-optimization/21407 diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 3ceca75..42761ca 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -2428,9 +2428,12 @@ purge_dead_edges (basic_block bb) if (!found) return purged; + /* Remove all but the fake and fallthru edges. The fake edge may be + the only successor for this block in the case of noreturn + calls. */ for (ei = ei_start (bb->succs); (e = ei_safe_edge (ei)); ) { - if (!(e->flags & EDGE_FALLTHRU)) + if (!(e->flags & (EDGE_FALLTHRU | EDGE_FAKE))) { bb->flags |= BB_DIRTY; remove_edge (e); |