tree-ssa-structalias.h (compute_points_to_sets): Adjust prototype.

2008-06-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.h (compute_points_to_sets): Adjust
	prototype.
	(struct alias_info): Move ...
	* tree-ssa-alias.c: ... here.
	(update_alias_info): Declare.
	(compute_may_aliases): Call it.
	(update_alias_info): New function.
	* tree-ssa-structalias.c (update_alias_info): Move ...
	* tree-ssa-alias.c (update_alias_info_1): ... here.
	* tree-ssa-structalias.c (process_constraint_1): Remove
	unused from_call argument.  Rename to ...
	(process_constraint): ... this.  Delete old wrapper.
	(make_constraint_to): Adjust callers.
	(handle_const_call): Likewise.
	(handle_pure_call): Likewise.
	(init_base_vars): Likewise.
	(handle_lhs_call): Likewise.  Remove unnecessary constraint.
	(find_func_aliases): We don't need structure copies for
	complex types.
	(make_constraint_from_anything): Remove.
	(create_variable_info_for): For globals make constraints
	from escaped, not from anything.
	(compute_points_to_sets): Do not call update_alias_info.
	(ipa_pta_execute): Use make_constraint_from.

From-SVN: r137252

gcc/ChangeLog

+2008-06-29  Richard Guenther  <rguenther@suse.de>
+
+	* tree-ssa-structalias.h (compute_points_to_sets): Adjust
+	prototype.
+	(struct alias_info): Move ...
+	* tree-ssa-alias.c: ... here.
+	(update_alias_info): Declare.
+	(compute_may_aliases): Call it.
+	(update_alias_info): New function.
+	* tree-ssa-structalias.c (update_alias_info): Move ...
+	* tree-ssa-alias.c (update_alias_info_1): ... here.
+	* tree-ssa-structalias.c (process_constraint_1): Remove
+	unused from_call argument.  Rename to ...
+	(process_constraint): ... this.  Delete old wrapper.
+	(make_constraint_to): Adjust callers.
+	(handle_const_call): Likewise.
+	(handle_pure_call): Likewise.
+	(init_base_vars): Likewise.
+	(handle_lhs_call): Likewise.  Remove unnecessary constraint.
+	(find_func_aliases): We don't need structure copies for
+	complex types.
+	(make_constraint_from_anything): Remove.
+	(create_variable_info_for): For globals make constraints
+	from escaped, not from anything.
+	(compute_points_to_sets): Do not call update_alias_info.
+	(ipa_pta_execute): Use make_constraint_from.
+
 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.

gcc/tree-ssa-structalias.h

@@ -24,44 +24,12 @@
 struct constraint;
 typedef struct constraint *constraint_t;
 
-/* Alias information used by compute_may_aliases and its helpers.  */
-struct alias_info
-{
-  /* SSA names visited while collecting points-to information.  If bit I
-     is set, it means that SSA variable with version I has already been
-     visited.  */
-  sbitmap ssa_names_visited;
-
-  /* Array of SSA_NAME pointers processed by the points-to collector.  */
-  VEC(tree,heap) *processed_ptrs;
-
-  /* ADDRESSABLE_VARS contains all the global variables and locals that
-     have had their address taken.  */
-  struct alias_map_d **addressable_vars;
-  size_t num_addressable_vars;
-
-  /* POINTERS contains all the _DECL pointers with unique memory tags
-     that have been referenced in the program.  */
-  struct alias_map_d **pointers;
-  size_t num_pointers;
-
-  /* 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.  */
-  struct pointer_set_t *dereferenced_ptrs_store;
-
-  /* Pointers that have been used in an indirect load operation.  */
-  struct pointer_set_t *dereferenced_ptrs_load;
-};
-
 /* 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 compute_points_to_sets (void);
 extern void delete_points_to_sets (void);
 extern void dump_constraint (FILE *, constraint_t);
 extern void dump_constraints (FILE *);