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| author | Daniel Berlin <dberlin@dberlin.org> | 2005-11-08 16:34:48 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@gcc.gnu.org> | 2005-11-08 16:34:48 +0000 |
| commit | 973162ec9dd144e6637a9fc775c3e9ce308b054c (patch) | |
| tree | b44d278762551161178f033b428dfde8fea6c404 /gcc/tree-dfa.c | |
| parent | e5f51638541b06c1f10707c89a9699419eb77933 (diff) | |
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re PR tree-optimization/23382 (Does not remove the old HEAP virtual variables in clobbered)
2005-11-08 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/23382
* tree-ssa-alias.c (compute_may_aliases): Call
delete_old_heap_vars.
* tree-dfa.c (referenced_var_remove): New function.
* tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
* tree-flow.h (referenced_var_remove): Add prototype.
(delete_old_heap_vars): Ditto.
* tree-ssa-structalias.c (heapvars): New variable.
(oldheapvars): Ditto.
(get_constraint_for): Put heap vars on heapvars list.
(delete_old_heap_vars): New function.
From-SVN: r106643
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index 9fc48d5..2ede8e6 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -609,6 +609,18 @@ referenced_var_insert (unsigned int uid, tree to) *(struct int_tree_map **) loc = h; } +/* Remove the pair DECL_UID (TO), TO from the referenced vars + hashtable. */ + +void +referenced_var_remove (tree to) +{ + struct int_tree_map in; + in.uid = DECL_UID (to); + in.to = to; + htab_remove_elt_with_hash (referenced_vars, &in, in.uid); +} + /* Add VAR to the list of dereferenced variables. WALK_STATE contains a hash table used to avoid adding the same |