Partially removing cloog.h and graphite-clast-to-gimple.h where possible. Removing unused function check_poly_representation.

2010-07-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

	* graphite-cloog-util.h: Added cloog.h.
	* graphite-blocking.c: Removed cloog.h.
	* graphite-dependences.c: Same.
	* graphite-interchange.c: Same.
	* graphite-poly.c: Same.
	* graphite-ppl.c: Same.
	* graphite-scop-detection.c: Same.
	* graphite-sese-to-poly.c:
	Removed cloog.h.
	Removed graphite-clast-to-gimple.h.
	(check_poly_representation): Removed (unused).
	* graphite-sese-to-poly.h
	(check_poly_representation): Removed (unused).

From-SVN: r163135