diff options
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 387a696..c65fe8d 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1168,6 +1168,8 @@ setup_pointers_and_addressables (struct alias_info *ai) size_t n_vars, num_addressable_vars, num_pointers; referenced_var_iterator rvi; tree var; + VEC (tree, heap) *varvec = NULL; + safe_referenced_var_iterator srvi; /* Size up the arrays ADDRESSABLE_VARS and POINTERS. */ num_addressable_vars = num_pointers = 0; @@ -1204,7 +1206,7 @@ setup_pointers_and_addressables (struct alias_info *ai) unnecessarily. */ n_vars = num_referenced_vars; - FOR_EACH_REFERENCED_VAR (var, rvi) + FOR_EACH_REFERENCED_VAR_SAFE (var, varvec, srvi) { var_ann_t v_ann = var_ann (var); subvar_t svars; @@ -1336,6 +1338,7 @@ setup_pointers_and_addressables (struct alias_info *ai) } } } + VEC_free (tree, heap, varvec); } @@ -2218,14 +2221,14 @@ add_type_alias (tree ptr, tree var) tree tag; var_ann_t ann = var_ann (ptr); subvar_t svars; - + VEC (tree, heap) *varvec = NULL; if (ann->type_mem_tag == NULL_TREE) { tree q = NULL_TREE; tree tag_type = TREE_TYPE (TREE_TYPE (ptr)); HOST_WIDE_INT tag_set = get_alias_set (tag_type); - referenced_var_iterator rvi; + safe_referenced_var_iterator rvi; /* PTR doesn't have a type tag, create a new one and add VAR to the new tag's alias set. @@ -2234,7 +2237,7 @@ add_type_alias (tree ptr, tree var) whether there is another pointer Q with the same alias set as PTR. This could be sped up by having type tags associated with types. */ - FOR_EACH_REFERENCED_VAR (q, rvi) + FOR_EACH_REFERENCED_VAR_SAFE (q, varvec, rvi) { if (POINTER_TYPE_P (TREE_TYPE (q)) && tag_set == get_alias_set (TREE_TYPE (TREE_TYPE (q)))) @@ -2292,6 +2295,7 @@ found_tag: for (i = 0; i < VARRAY_ACTIVE_SIZE (aliases); i++) mark_sym_for_renaming (VARRAY_TREE (aliases, i)); } + VEC_free (tree, heap, varvec); } @@ -2766,7 +2770,8 @@ static void create_structure_vars (void) { basic_block bb; - referenced_var_iterator rvi; + safe_referenced_var_iterator rvi; + VEC (tree, heap) *varvec = NULL; tree var; used_portions = htab_create (10, used_part_map_hash, used_part_map_eq, @@ -2782,7 +2787,7 @@ create_structure_vars (void) NULL); } } - FOR_EACH_REFERENCED_VAR (var, rvi) + FOR_EACH_REFERENCED_VAR_SAFE (var, varvec, rvi) { /* The C++ FE creates vars without DECL_SIZE set, for some reason. */ if (var @@ -2793,6 +2798,7 @@ create_structure_vars (void) create_overlap_variables_for (var); } htab_delete (used_portions); + VEC_free (tree, heap, varvec); } |