* tree-ssa.c (raise_value): Removed.

	(get_eq_name, check_phi_redundancy): New functions.
	(kill_redundant_phi_nodes): Use standard ssa minimalization algorithm.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83380 138bc75d-0d04-0410-961f-82ee72b054a4