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| author | Jan Hubicka <jh@suse.cz> | 2004-09-18 09:31:30 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2004-09-18 07:31:30 +0000 |
| commit | 8b547e44f727908791650e822f7de16ef79e02ca (patch) | |
| tree | fe05dda72592a1cc1bfa37384e18d975a9caf42f /gcc/tree-into-ssa.c | |
| parent | b8771ace10537344957eaf0351793239ba5b2ee3 (diff) | |
| download | gcc-8b547e44f727908791650e822f7de16ef79e02ca.zip gcc-8b547e44f727908791650e822f7de16ef79e02ca.tar.gz gcc-8b547e44f727908791650e822f7de16ef79e02ca.tar.bz2 | |
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-into-ssa.c')
| -rw-r--r-- | gcc/tree-into-ssa.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c index 5a49d7f..e71eb47 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)); |