Update loop-block testcases.

Update loop-block testcases.

2010-01-06  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-blocking.c (scop_do_block): Print "SCoP will be loop
	blocked" only when both the strip mine and the interchange have
	been applied.

	* testsuite/gcc.dg/graphite/block-2.c: Removed.
	* testsuite/gcc.dg/graphite/block-3.c: Add scan pattern.
	* testsuite/gcc.dg/graphite/block-4.c: Same.
	* testsuite/gcc.dg/graphite/block-5.c: Same.
	* testsuite/gcc.dg/graphite/block-6.c: Same.

From-SVN: r155703