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authorJan Hubicka <jh@suse.cz>2004-09-18 09:31:30 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2004-09-18 07:31:30 +0000
commit8b547e44f727908791650e822f7de16ef79e02ca (patch)
treefe05dda72592a1cc1bfa37384e18d975a9caf42f /gcc/tree-ssanames.c
parentb8771ace10537344957eaf0351793239ba5b2ee3 (diff)
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tree-into-ssa.c (rewrite_ssa_into_ssa): Expect ssa_name to return NULL.
* tree-into-ssa.c (rewrite_ssa_into_ssa): Expect ssa_name to return NULL. * tree-ssa-alias.c (init_alias_info): Likewise. * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise. (verify_ssa): Likewise. * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays. From-SVN: r87698
Diffstat (limited to 'gcc/tree-ssanames.c')
-rw-r--r--gcc/tree-ssanames.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssanames.c b/gcc/tree-ssanames.c
index 55ba145..cc12f28 100644
--- a/gcc/tree-ssanames.c
+++ b/gcc/tree-ssanames.c
@@ -205,6 +205,8 @@ make_ssa_name (tree var, tree stmt)
memset (t, 0, tree_size (t));
TREE_SET_CODE (t, SSA_NAME);
SSA_NAME_VERSION (t) = save_version;
+ gcc_assert (ssa_name (save_version) == NULL);
+ VARRAY_TREE (ssa_names, save_version) = t;
}
else
{
@@ -260,6 +262,7 @@ release_ssa_name (tree var)
defining statement. */
if (! SSA_NAME_IN_FREE_LIST (var))
{
+ VARRAY_TREE (ssa_names, SSA_NAME_VERSION (var)) = NULL;
SSA_NAME_IN_FREE_LIST (var) = 1;
TREE_CHAIN (var) = free_ssanames;
free_ssanames = var;