2007-07-02  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/32583
	Fix PR tree-optimization/32584
	* tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
	(phi_translate_set): Use phi_translate directly now.
	(make_values_for_stmt): Don't value number RHS if we already know
	it is constant.

From-SVN: r126222