* cgraph.h (cgraph_node): Add predicate prevailing_p.
	(cgraph_edge): Add predicate possible_call_in_translation_unit_p.
	* ipa-prop.c (ipa_write_jump_function): Optimize streaming of ADDR_EXPR.
	(ipa_read_jump_function): Add prevails parameter; optimize streaming.
	(ipa_read_edge_info): Break out from ...
	(ipa_read_node_info): ... here; optimize streaming.
	* cgraph.c (cgraph_edge::possibly_call_in_translation_unit_p): New
	predicate.

From-SVN: r267175