Infer types based on lb and ub.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/47654
	PR middle-end/49649
	* graphite-clast-to-gimple.c (type_for_clast_term): Pass v1 and v2
	in parameter.  Initialize v1 and v2 based on the values returned
	by clast_name_to_lb_ub.
	(type_for_clast_red): Pass v1 and v2 in parameter, and set their
	values.
	(type_for_clast_bin): Same.
	(type_for_clast_expr): Same.
	(type_for_clast_eq): Update calls to type_for_clast_expr.
	(type_for_clast_for): Same.
	(build_iv_mapping): Same.
	* graphite-ppl.h (value_min): New.

	* gcc.dg/graphite/run-id-pr47654.c: New.

From-SVN: r176605