c-common.c (handle_flatten_attribute): New function.

2005-07-15  Richard Guenther  <rguenther@suse.de>

	* c-common.c (handle_flatten_attribute): New function.
	Add flatten function attribute.
	* doc/extend.texi: Document flatten function attribute.
	* Makefile.in (ipa-inline.o): Depend on hashtab.h.
	* ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
	New functions.
	(cgraph_decide_inlining): Handle functions with flatten
	attribute.

	* gcc.dg/tree-ssa/flatten-1.c: New testcase.
	* gcc.dg/tree-ssa/flatten-2.c: Likewise.

From-SVN: r102051