re PR ipa/60243 (IPA is slow on large cgraph tree)

re PR ipa/60243 (IPA is slow on large cgraph tree)

	PR ipa/60243
	* ipa-inline.c (want_inline_small_function_p): Short circuit large
	functions; reorganize to make cheap checks first.
	(inline_small_functions): Do not estimate growth when dumping;
	it is expensive.
	* ipa-inline.h (inline_summary): Add min_size.
	(growth_likely_positive): New function.
	* ipa-inline-analysis.c (dump_inline_summary): Add min_size.
	(set_cond_stmt_execution_predicate): Cleanup.
	(estimate_edge_size_and_time): Compute min_size.
	(estimate_calls_size_and_time): Likewise.
	(estimate_node_size_and_time): Likewise.
	(inline_update_overall_summary): Update min_size.
	(do_estimate_edge_time): Likewise.
	(do_estimate_edge_size): Update.
	(do_estimate_edge_hints): Update.
	(growth_likely_positive): New function.

From-SVN: r208916