diff options
| author | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-02-05 07:09:44 +0000 |
|---|---|---|
| committer | dberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-02-05 07:09:44 +0000 |
| commit | 707dd2b0d250d56dab174df373172c117ab71035 (patch) | |
| tree | d1dd76fcc7b537a9e780a3c14fab8f100ff66dfe /gcc/tree-ssa-structalias.c | |
| parent | 4d842d63831318845583e0a05e7be978d8923ba6 (diff) | |
| download | gcc-707dd2b0d250d56dab174df373172c117ab71035.tar.gz | |
2009-02-05 Daniel Berlin <dberlin@dberlin.org>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/39100
* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
comment says and add edges.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@143951 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 3e8940e5166..03f7a4ade65 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -1657,15 +1657,17 @@ do_ds_constraint (constraint_t c, bitmap delta) t = find (v->id); tmp = get_varinfo (t)->solution; - if (set_union_with_increment (tmp, sol, 0)) + if (add_graph_edge (graph, t, rhs)) { - get_varinfo (t)->solution = tmp; - if (t == rhs) - sol = get_varinfo (rhs)->solution; - if (!TEST_BIT (changed, t)) + if (bitmap_ior_into (get_varinfo (t)->solution, sol)) { - SET_BIT (changed, t); - changed_count++; + if (t == rhs) + sol = get_varinfo (rhs)->solution; + if (!TEST_BIT (changed, t)) + { + SET_BIT (changed, t); + changed_count++; + } } } } |