https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95110
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Bin Cheng <am...@gcc.gnu.org>: https://gcc.gnu.org/g:466ad887c9e1cd5a6762e7ec620eef2c8175b50d commit r9-8614-g466ad887c9e1cd5a6762e7ec620eef2c8175b50d Author: Bin Cheng <bin.ch...@linux.alibaba.com> Date: Fri May 22 11:42:11 2020 +0800 Add missing unit dependence vector in data dependence analysis Current data dependence analysis misses unit distant vector if DRs in DDR have the same invariant access functions. This adds the vector as the constant access function case. Also fix typo in testcase. Backport from master. 2020-05-13 Bin Cheng <bin.ch...@linux.alibaba.com> gcc/ PR tree-optimization/94969 * tree-data-ref.c (constant_access_functions): Rename to... (invariant_access_functions): ...this. Add parameter. Check for invariant access function, rather than constant. (build_classic_dist_vector): Call above function. * tree-loop-distribution.c (pg_add_dependence_edges): Add comment. gcc/testsuite/ PR tree-optimization/94969 * gcc.dg/tree-ssa/pr94969.c: New test. 2020-05-13 Jakub Jelinek <ja...@redhat.com> gcc/testsuite/ PR tree-optimization/95110 * gcc.dg/tree-ssa/pr94969.c: Swap scan-tree-dump-not arguments.
