On March 15, 2020 7:12:26 AM GMT+01:00, "bin.cheng via Gcc-patches" <gcc-patches@gcc.gnu.org> wrote: >Hi, >This simple patch fixes PR94125 by updating post order number for >merged SCC. >The root cause is after computing SCC with runtime alias edges skipped, >the post >order info is changed and it's possible a partition is scheduled after >another where >should be scheduled before. Note that updating to the minimal post >order number >is safe, only partitions separated from SCC because of skipping runtime >alias edges >can be assigned larger post oder than the original precedent one. > >Bootstrap and test on x86_64, test case also added.
OK. Thanks, Richard. >Thanks, >bin > >2020-03-15 Bin Cheng <bin.ch...@linux.alibaba.com> > > PR tree-optimization/94125 > * tree-loop-distribution.c > (loop_distribution::break_alias_scc_partitions): Update post ordeer > number for merged scc. > >gcc/testsuite >2020-03-15 Bin Cheng <bin.ch...@linux.alibaba.com> > > PR tree-optimization/94125 > * gcc.dg/tree-ssa/pr94125.c: New test.
