summaryrefslogtreecommitdiff
path: root/gcc/tree-into-ssa.c
diff options
context:
space:
mode:
authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2004-09-18 07:31:30 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2004-09-18 07:31:30 +0000
commit7298dc8b4fdc5b63bd6a66535432f20befa15fbc (patch)
treefe05dda72592a1cc1bfa37384e18d975a9caf42f /gcc/tree-into-ssa.c
parenta6526ba073e55bf93701fb10ca116114b0cac79b (diff)
downloadgcc-7298dc8b4fdc5b63bd6a66535432f20befa15fbc.tar.gz
* 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87698 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-into-ssa.c')
-rw-r--r--gcc/tree-into-ssa.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c
index 5a49d7f7d09..e71eb4745aa 100644
--- a/gcc/tree-into-ssa.c
+++ b/gcc/tree-into-ssa.c
@@ -1623,7 +1623,8 @@ rewrite_ssa_into_ssa (void)
sbitmap_free (mark_def_sites_global_data.kills);
for (i = 1; i < num_ssa_names; i++)
- set_current_def (ssa_name (i), NULL_TREE);
+ if (ssa_name (i))
+ set_current_def (ssa_name (i), NULL_TREE);
/* Insert PHI nodes at dominance frontiers of definition blocks. */
insert_phi_nodes (dfs, to_rename);
@@ -1679,7 +1680,7 @@ rewrite_ssa_into_ssa (void)
for (i = 1; i < num_ssa_names; i++)
{
name = ssa_name (i);
- if (!SSA_NAME_AUX (name))
+ if (!name || !SSA_NAME_AUX (name))
continue;
free (SSA_NAME_AUX (name));