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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-20 10:03:27 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-20 10:03:27 +0000 |
| commit | fbeb30a9e1eb6527d802b94bb3d34d646981efff (patch) | |
| tree | 219b4745e3d4bd267487f2ab7694a7b7d012f750 /gcc/tree-vn.c | |
| parent | 29b1845fd01ed2265a10d4edc120d99cd65cff76 (diff) | |
| download | gcc-fbeb30a9e1eb6527d802b94bb3d34d646981efff.tar.gz | |
2008-05-20 Richard Guenther <rguenther@suse.de>
* tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
* gcc.c-torture/execute/20080519-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@135605 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-vn.c')
| -rw-r--r-- | gcc/tree-vn.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-vn.c b/gcc/tree-vn.c index 40efea6f8f7..1d2e5a55de0 100644 --- a/gcc/tree-vn.c +++ b/gcc/tree-vn.c @@ -306,7 +306,9 @@ vn_lookup_with_vuses (tree expr, VEC (tree, gc) *vuses) if (is_gimple_min_invariant (expr) || TREE_CODE (expr) == FIELD_DECL) return expr; - return vn_reference_lookup (expr, vuses, true); + /* We may not walk the use-def chains here as the alias oracle cannot + properly deal with VALUE_HANDLE tree nodes we feed it here. */ + return vn_reference_lookup (expr, vuses, false); } static tree |