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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
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Daniel Berlin 2005-05-18 13:29:38 +00:00 committed by Daniel Berlin
parent 23e66a36cb
commit 2afa8dceda
2 changed files with 8 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
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

5
gcc/cfgrtl.c
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@ -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);