Pass 0 as the number of parameters to PIP when testing for integer feasibility.

Pass 0 as the number of parameters to PIP when testing for integer feasibility.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Remove the
	gdim parameter.
	(build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
	(dependence_polyhedron): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
	* graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

From-SVN: r169209