http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56034
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-28 14:45:50 UTC --- Author: rguenth Date: Mon Jan 28 14:45:46 2013 New Revision: 195508 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195508 Log: 2013-01-28 Richard Biener <rguent...@suse.de> PR tree-optimization/56034 * tree-loop-distribution.c (enum partition_kind): Add PKIND_REDUCTION. (partition_builtin_p): Adjust. (generate_code_for_partition): Handle PKIND_REDUCTION. Assert it is the last partition. (rdg_flag_uses): Check SSA_NAME_IS_DEFAULT_DEF before looking up the vertex for the definition. (classify_partition): Classify whether a partition is a PKIND_REDUCTION, thus has uses outside of the loop. (ldist_gen): Inherit PKIND_REDUCTION when merging partitions. Merge all PKIND_REDUCTION partitions into the last partition. (tree_loop_distribution): Seed partitions from reductions as well. * gcc.dg/torture/pr56034.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr56034.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-loop-distribution.c
