Use ssizetype when long_long_integer_type_node is NULL.

Use ssizetype when long_long_integer_type_node is NULL.

2010-03-11  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (my_long_long): Defined.
	(gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
	* graphite-sese-to-poly.c (my_long_long): Defined.
	(scop_ivs_can_be_represented): Use it.

From-SVN: r157438