[PATCH] Initialize counters in autoFDO to zero, not to uninitialized.

[Martin Liška]

Hello.

This fixes majority of autoFDO test-cases.

Patch can boostrap and survives regression tests.

Ready for trunk?
Thanks,
Martin

gcc/ChangeLog:

2017-07-11  Martin Liska  <mli...@suse.cz>

        * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
        BBs and edges seen by autoFDO.
---
 gcc/auto-profile.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)



diff --git a/gcc/auto-profile.c b/gcc/auto-profile.c
index 71c06f30449..334f38be109 100644
--- a/gcc/auto-profile.c
+++ b/gcc/auto-profile.c
@@ -1547,9 +1547,9 @@ afdo_annotate_cfg (const stmt_set &promoted_stmts)
     edge e;
     edge_iterator ei;
 
-    bb->count = profile_count::uninitialized ();
+    bb->count = profile_count::zero ().afdo ();
     FOR_EACH_EDGE (e, ei, bb->succs)
-      e->count = profile_count::uninitialized ();
+      e->count = profile_count::zero ().afdo ();
 
     if (afdo_set_bb_count (bb, promoted_stmts))
       set_bb_annotated (bb, &annotated_bb);