/* Tree based points-to analysis
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
Contributed by Daniel Berlin <dberlin@dberlin.org>
-This file is part of GCC.
+ This file is part of GCC.
-GCC is free software; you can redistribute it and/or modify
-under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ GCC is free software; you can redistribute it and/or modify
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ GCC is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GCC; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef TREE_SSA_STRUCTALIAS_H
#define TREE_SSA_STRUCTALIAS_H
-/* True if the data pointed to by PTR can alias anything. */
-#define PTR_IS_REF_ALL(PTR) TYPE_REF_CAN_ALIAS_ALL (TREE_TYPE (PTR))
-
struct constraint;
typedef struct constraint *constraint_t;
struct alias_map_d **pointers;
size_t num_pointers;
- /* Number of function calls found in the program. */
- size_t num_calls_found;
-
- /* Number of const/pure function calls found in the program. */
- size_t num_pure_const_calls_found;
-
- /* Total number of virtual operands that will be needed to represent
- all the aliases of all the pointers found in the program. */
- long total_alias_vops;
-
- /* Variables that have been written to. */
- bitmap written_vars;
+ /* Variables that have been written to directly (i.e., not through a
+ pointer dereference). */
+ struct pointer_set_t *written_vars;
/* Pointers that have been used in an indirect store operation. */
- bitmap dereferenced_ptrs_store;
+ struct pointer_set_t *dereferenced_ptrs_store;
/* Pointers that have been used in an indirect load operation. */
- bitmap dereferenced_ptrs_load;
-
- /* Memory tag for all the PTR_IS_REF_ALL pointers. */
- tree ref_all_symbol_mem_tag;
+ struct pointer_set_t *dereferenced_ptrs_load;
};
-/* Keep track of how many times each pointer has been dereferenced in
- the program using the aux variable. This is used by the alias
- grouping heuristic in compute_flow_insensitive_aliasing. */
-#define NUM_REFERENCES(ANN) ((size_t)((ANN)->common.aux))
-#define NUM_REFERENCES_CLEAR(ANN) ((ANN)->common.aux) = 0
-#define NUM_REFERENCES_INC(ANN) (ANN)->common.aux = (void*) (((size_t)((ANN)->common.aux)) + 1)
-#define NUM_REFERENCES_SET(ANN, VAL) (ANN)->common.aux = (void*) ((void *)(VAL))
-
/* In tree-ssa-alias.c. */
enum escape_type is_escape_site (tree);
+void update_mem_sym_stats_from_stmt (tree, tree, long, long);
/* In tree-ssa-structalias.c. */
extern void compute_points_to_sets (struct alias_info *);
extern void debug_solution_for_var (unsigned int);
extern void dump_sa_points_to_info (FILE *);
extern void debug_sa_points_to_info (void);
+extern void set_used_smts (void);
#endif /* TREE_SSA_STRUCTALIAS_H */
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