cgraph.c (cgraph_remove_node): Do not release function bodies until full cgraph is...

cgraph.c (cgraph_remove_node): Do not release function bodies until full cgraph is built.

	* cgraph.c (cgraph_remove_node): Do not release function bodies until
	full cgraph is built.
	* cgraph.h (cgraph_decide_inlining_incrementally): Add early argument.
	* cgraphunit.c (cgraph_finalize_function): Update call of
	cgraph_decide_inlining_incrementally.
	(initialize_inline_failed): Break out of ...
	(cgraph_analyze_function): ... here.
	(rebuild_cgraph_edges): New function.
	(pass_rebuild_cgraph_edges): New pass.
	* common.opt (fearly-inlining): New flag.
	* ipa-inline.c: Include ggc.h
	(cgraph_clone_inlined_nodes): Avoid re-using of original copy
	when cgraph is not fully built.
	(cgraph_decide_inlining_incrementally): Add early mode.
	(cgraph_early_inlining): New function.
	(cgraph_gate_early_inlining): Likewise.
	(pass_early_ipa_inline): New pass.
	* ipa.c (cgraph_postorder): NULLify aux pointer.
	* tree-inline.c (expand_call_inline): Avoid warning early.
	* tree-optimize.c (pass_early_local_passes): New.
	(execute_cleanup_cfg_pre_ipa): New.
	(pass_cleanup_cfg): New.
	(register_dump_files): Fix handling subpasses of IPA pass.
	(init_tree_optimization_passes): Add early passes.
	(execute_ipa_pass_list): Fix handling of subpasses of IPA pass.
	* passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges,
	pass_early_ipa_inline): New passes.
	* tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New.

	* invoke.texi: Document early-inlining.

From-SVN: r101369