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| -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); |