https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94969
--- Comment #17 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-10 branch has been updated by Bin Cheng <am...@gcc.gnu.org>: https://gcc.gnu.org/g:63c00a0c6543ce6d55e0ebc97ddbc1d36fb1289c commit r10-8332-g63c00a0c6543ce6d55e0ebc97ddbc1d36fb1289c Author: Bin Cheng <bin.ch...@linux.alibaba.com> Date: Sat Jun 20 14:24:31 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. 2020-06-20 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. 2020-06-20 Jakub Jelinek <ja...@redhat.com> gcc/testsuite/ PR tree-optimization/95110 * gcc.dg/tree-ssa/pr94969.c: Swap scan-tree-dump-not arguments.
