On Thu, 14 Sep 2017, David Edelsohn wrote: > * tree-ssa-sccvn.c (visit_phi): Merge undefined values similar > to VN_TOP. > > This seems to have regressed > > FAIL: gcc.dg/tree-prof/time-profiler-2.c scan-ipa-dump-times profile > "Read tp_first_run: 0" 2 > FAIL: gcc.dg/tree-prof/time-profiler-2.c scan-ipa-dump-times profile > "Read tp_first_run: 2" 1 > FAIL: gcc.dg/tree-prof/time-profiler-2.c scan-ipa-dump-times profile > "Read tp_first_run: 3" 1
Hmm, I don't see these FAILs. Looking at the testcase there are no undefined uses so I wonder how the patch could have any effect. Can you re-check and open a bugreport? Thanks, Richard.
