[Graphite] Fix type problems in loop ivs.

[Eric Botcazou]

> 2010-03-03  Tobias Grosser  <grosser@fim.uni-passau.de>
>
> 	* gcc/graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
> 	handle conversions from pointer to integers.
> 	(gcc_type_for_cloog_iv): Choose the smalles signed integer as an
> 	induction variable, to be able to work with code generated by
> 	CLooG.
> 	* gcc/graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
> 	(build_poly_scop): Bail out if we cannot codegen a loop.
> 	* gcc/testsuite/gcc.dg/graphite/id-18.c: New.
> 	* gcc/testsuite/gcc.dg/graphite/run-id-pr42644.c: New.
> 	* libgomp/testsuite/libgomp.graphite/force-parallel-1.c: Adjust.
> 	* libgomp/testsuite/libgomp.graphite/force-parallel-2.c: Adjust.

Paths in ChangeLog entries must be relative to the ChangeLog file:


2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
        handle conversions from pointer to integers.
        (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
        induction variable, to be able to work with code generated by
        CLooG.
        * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
        (build_poly_scop): Bail out if we cannot codegen a loop.


2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        * gcc.dg/graphite/id-18.c: New.
        * gcc.dg/graphite/run-id-pr42644.c: New.


2010-03-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        * testsuite/libgomp.graphite/force-parallel-1.c: Adjust.
        * testsuite/libgomp.graphite/force-parallel-2.c: Adjust.


-- 
Eric Botcazou