2010-04-13 Richard Guenther <rguenther@suse.de>

2010-04-13  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (callused_id): Remove.
	(call_stmt_vars): New.
	(get_call_vi): Likewise.
	(lookup_call_use_vi): Likewise.
	(lookup_call_clobber_vi): Likewise.
	(get_call_use_vi): Likewise.
	(get_call_clobber_vi): Likewise.
	(make_transitive_closure_constraints): Likewise.
	(handle_const_call): Adjust to do per-call call-used handling.
	(handle_pure_call): Likewise.
	(find_what_var_points_to): Remove general callused handling.
	(init_base_vars): Likewise.
	(init_alias_vars): Initialize call_stmt_vars.
	(compute_points_to_sets): Process call-used and call-clobbered
	vars for call statements.
	(delete_points_to_sets): Free call_stmt_vars.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158260 138bc75d-0d04-0410-961f-82ee72b054a4