* gcc.dg/tree-ssa/ssa-dse-1.c: New test.
	* gcc.dg/tree-ssa/ssa-dse-2.c: New test.
	* gcc.dg/tree-ssa/ssa-dse-3.c: New test.
	* gcc.dg/tree-ssa/ssa-dse-4.c: New test.
	* gcc.dg/tree-ssa/ssa-dse-5.c: New test.
	* gcc.dg/tree-ssa/ssa-dse-6.c: New test.
	* gcc.dg/tree-ssa/ssa-dse-7.c: New test.

From-SVN: r98779