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

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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137252 138bc75d-0d04-0410-961f-82ee72b054a4