* tree-inline.c (remap_ssa_name): New function.

	(remap_decl): Update SSA datastructures for DECLs.
	(copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
	(copy_bb): Set SSA_NAME def stmts.
	(update_ssa_acorss_eh_edges): New function.
	(copy_edge_for_bb): Call it; mark new vars for renaming.
	(copy_phis_for_bb): New function.
	(initialize_cfun): Break out from ...
	(copy_cfg_body): ... here; maintain AUX map for both directions;
	call SSA updating workers; do not produce copy of cfun to be copied.
	(setup_one_parameter): Do propagation across SSA form.
	(declare_return_variable): Work on SSA; use return_slot instead of
	address of return slot of argument to avoid folding back and forth.
	(expand_call_inline): Update SSA from on return values.
	(optimize_inline_calls): Do sanity checking, dead blocks removal,
	update SSA form.
	(tree_function_verioning): Update initialize_cfun.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120260 138bc75d-0d04-0410-961f-82ee72b054a4

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