On Fri, Oct 13, 2017 at 09:06:55PM +0200, Jan Hubicka wrote: > For EH we should set it to profile_probability::zero () because we know it is > unlikely > path. I will take a look.
With the --- gcc/cfghooks.c.jj 2017-10-13 18:27:12.000000000 +0200 +++ gcc/cfghooks.c 2017-10-13 19:15:11.444650533 +0200 @@ -162,6 +162,7 @@ verify_flow_info (void) err = 1; } if (profile_status_for_fn (cfun) >= PROFILE_GUESSED + && (e->flags & (EDGE_EH | EDGE_ABNORMAL | EDGE_FAKE)) == 0 && !e->probability.initialized_p ()) { error ("Uninitialized probability of edge %i->%i", e->src->index, hack x86_64-linux and i686-linux bootstrapped fine, but I see still many graphite related regressions: /home/jakub/src/gcc/gcc/testsuite/gcc.dg/graphite/id-16.c:15:1: error: Uninitialized probability of edge 41->17 /home/jakub/src/gcc/gcc/testsuite/gcc.dg/graphite/id-16.c:15:1: error: Uninitialized probability of edge 44->41 /home/jakub/src/gcc/gcc/testsuite/gcc.dg/graphite/id-16.c:15:1: error: Uninitialized probability of edge 36->21 /home/jakub/src/gcc/gcc/testsuite/gcc.dg/graphite/id-16.c:15:1: error: Uninitialized probability of edge 29->36 /home/jakub/src/gcc/gcc/testsuite/gcc.dg/graphite/id-16.c:15:1: error: Uninitialized probability of edge 32->29 during GIMPLE pass: graphite dump file: id-16.c.150t.graphite /home/jakub/src/gcc/gcc/testsuite/gcc.dg/graphite/id-16.c:15:1: internal compiler error: verify_flow_info failed 0xafac1a verify_flow_info() ../../gcc/cfghooks.c:268 0xf2a624 checking_verify_flow_info ../../gcc/cfghooks.h:198 0xf2a624 cleanup_tree_cfg_noloop ../../gcc/tree-cfgcleanup.c:901 0xf2a624 cleanup_tree_cfg() ../../gcc/tree-cfgcleanup.c:952 0x162df85 graphite_transform_loops() ../../gcc/graphite.c:422 0x162f0c0 graphite_transforms ../../gcc/graphite.c:447 0x162f0c0 execute ../../gcc/graphite.c:524 So probably graphite needs to be tweaked for this too. Jakub