* ipa-inline.c (inlining_mode): Comment, move up.

	* ipa-inline.c (inlining_mode): Comment, move up.
	(cgraph_decide_inlining_incrementally): Do not perform inlining itself; fix
	handling of flattening of self recursive functions.
	(cgraph_find_cycles): Remove.
	(cgraph_flatten_node): Remove.
	(cgraph_decide_inlining): Use incremental inliner to handle flattening.
	(try_inline): New function.
	(cgraph_early_inlining): Update call of cgraph_decide_inlining_incrementally.
	Apply inlining here.
	(apply_inline): Update call of cgraph_decide_inlining_incrementally.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121034 138bc75d-0d04-0410-961f-82ee72b054a4