* tree-pas.h (TODO_remove_function): New flag.
	(TODO_update*): Renumber.
	(pass_ipa_increase_alignment,
	pass_ipa_function_and_variable_visibility): New passes.
	* cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
	(cgraph_function_and_variable_visibility): Move to ipa.c
	(cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
	cgraph_increase_alignment.
	* ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
	(cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
	calling tree-inline.
	(cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
	(pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
	* tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
	(gate_increase_alignment): New function.
	(pass_ipa_increase_alignment): New pass.
	* ipa.c: Inline tree-pass.h and timevar.h
	(function_and_variable_visibility): Move here from cgraphunit.c
	* tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
	* passes.c (init_optimization_passes): Add the two new passes.
	(execute_todo): Handle cgraph_remove_functions.

From-SVN: r120576