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| author | Daniel Berlin <dberlin@dberlin.org> | 2007-01-26 12:36:01 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-01-26 12:36:01 +0000 |
| commit | d3c3697412a4d6cd1a55451a612953f9c246beee (patch) | |
| tree | d9052574b8b91b12ba483ce319b073f94f820108 /gcc | |
| parent | 7befd5d26a19507b98e417275f72dcf8f26ba385 (diff) | |
| download | gcc-d3c3697412a4d6cd1a55451a612953f9c246beee.zip gcc-d3c3697412a4d6cd1a55451a612953f9c246beee.tar.gz gcc-d3c3697412a4d6cd1a55451a612953f9c246beee.tar.bz2 | |
tree-ssa-structalias.c (solve_graph): Handle case we merged the variable to another.
2007-01-26 Daniel Berlin <dberlin@dberlin.org>
Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (solve_graph): Handle case
we merged the variable to another.
Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r121202
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9601997..18a38ed 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-01-26 Daniel Berlin <dberlin@dberlin.org> + Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (solve_graph): Handle case + we merged the variable to another. + 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even' diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index def8958..dd95c9f 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -2051,9 +2051,10 @@ solve_graph (constraint_graph_t graph) if (find (i) != i) continue; - eliminate_indirect_cycles (i); - - gcc_assert (find (i) == i); + /* In certain indirect cycle cases, we may merge this + variable to another. */ + if (eliminate_indirect_cycles (i) && find(i) != i) + continue; /* If the node has changed, we need to process the complex constraints and outgoing edges again. */ |