* ipa-inline-analysis.c (add_condition): Add conditions parameter;
	simplify obviously true clauses.
	(and_predicates, or_predicates): Add conditions parameter.
	(inline_duplication_hoook): Update.
	(mark_modified): New function.
	(unmodified_parm): New function.
	(eliminated_by_inlining_prob, (set_cond_stmt_execution_predicate,
	set_switch_stmt_execution_predicate, will_be_nonconstant_predicate):
	Use unmodified_parm.
	(estimate_function_body_sizes): Update.
	(remap_predicate): Update.

From-SVN: r178881