2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>

	* graphite.c (graphite_apply_transformations): Check for
	-fgraphite-identity.
	* toplev.c (process_options): Add graphite_identity.
	* tree-ssa-loop.c (gate_graphite_transforms): Add graphite_identity.

From-SVN: r141325