2011-07-27 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/49471
* tree-ssa-loop-manip.c (canonicalize_loop_ivs): Build an unsigned
iv only when the largest type is unsigned. Do not call
lang_hooks.types.type_for_size.
* testsuite/libgomp.graphite/force-parallel-1.c: Un-xfail.
* testsuite/libgomp.graphite/force-parallel-2.c: Adjust pattern.
From-SVN: r176838
Fix pr42644.
Fix pr42130 (dealII).
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.
From-SVN: r157286
2009-10-22 Razya Ladelsky <razya@il.ibm.com>
* cfgloopmanip.c (duplicate_subloops): Export.
* tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
(transform_to_exit_first_loop): Duplicate bbs starting from
header up to loop->latch instead of exit->src.
Initialize control variable to the correct number of iterations.
(gather_scalar_reductions): Do not register double reductions.
(parallelize_loops): Dump which loop is tested.
Indicate whether the parallelized loop is inner or not.
Remove the innermost-loop requirement.
* cfgloop.h (duplicate_subloops): Export.
* tree-cfg.c (add_phi_args_after_redirect): New function.
(gimple_duplicate_sese_tail): Remove the no-subloops constraint.
Call duplicate_subloops.
Update number of iterations at the exit condition.
Don't redirect nexits always to the loop exit.
Redirect copied edges from latch to the loop exit.
* testsuite/libgomp.graphite/force-parallel-2.c: Adjust scan.
* testsuite/gcc.dg/autopar/outer-1.c: New testcase.
* testsuite/gcc.dg/autopar/outer-2.c: New testcase.
* testsuite/gcc.dg/autopar/outer-3.c: New testcase.
* testsuite/gcc.dg/autopar/outer-4.c: New testcase.
* testsuite/gcc.dg/autopar/outer-5.c: New testcase.
* testsuite/gcc.dg/autopar/outer-6.c: New testcase.
From-SVN: r153457
Bernhard Reutner-Fischer