* ipa-prop.c (mark_modified): Moved up in the file.
(is_parm_modified_before_call): Renamed to
is_parm_modified_before_stmt, moved up in the file.
(load_from_unmodified_param): New function.
(compute_complex_assign_jump_func): Also attempt to create pass
through jump functions for values loaded from (addressable)
parameters.