auto-profile.c (afdo_calculate_branch_prob): Convert profile_count to afdo precision quality.

	* auto-profile.c (afdo_calculate_branch_prob): Convert profile_count
	to afdo precision quality.
	(afdo_callsite_hot_enough_for_early_inline): Likewise.
	(afdo_annotate_cfg): Set profile_count for exit basic block.

From-SVN: r266943

gcc/ChangeLog

 2018-12-10  Bin Cheng  <bin.cheng@linux.alibaba.com>
 
+	* auto-profile.c (afdo_calculate_branch_prob): Convert profile_count
+	to afdo precision quality.
+	(afdo_callsite_hot_enough_for_early_inline): Likewise.
+	(afdo_annotate_cfg): Set profile_count for exit basic block.
+
+2018-12-10  Bin Cheng  <bin.cheng@linux.alibaba.com>
+
 	* auto-profile.c (string_table::get_index_by_decl)
 	(function_instance::get_function_instance_by_decl): Avoid infinite
 	recursion by using DECL_FROM_INLINE.

gcc/auto-profile.c

@@ -1400,7 +1400,7 @@ afdo_calculate_branch_prob (bb_set *annotated_bb, edge_set *annotated_edge)
     edge e;
     edge_iterator ei;
     int num_unknown_succ = 0;
-    profile_count total_count = profile_count::zero ();
+    profile_count total_count = profile_count::zero ().afdo ();
 
     FOR_EACH_EDGE (e, ei, bb->succs)
     {
@@ -1507,6 +1507,7 @@ afdo_annotate_cfg (const stmt_set &promoted_stmts)
      = profile_count::from_gcov_type (s->head_count ()).afdo ();
   ENTRY_BLOCK_PTR_FOR_FN (cfun)->count
      = profile_count::from_gcov_type (s->head_count ()).afdo ();
+  EXIT_BLOCK_PTR_FOR_FN (cfun)->count = profile_count::zero ().afdo ();
   profile_count max_count = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count;
 
   FOR_EACH_BB_FN (bb, cfun)
@@ -1686,11 +1687,12 @@ afdo_callsite_hot_enough_for_early_inline (struct cgraph_edge *edge)
   if (count > 0)
     {
       bool is_hot;
+      profile_count pcount = profile_count::from_gcov_type (count).afdo ();
       gcov_summary *saved_profile_info = profile_info;
       /* At early inline stage, profile_info is not set yet. We need to
          temporarily set it to afdo_profile_info to calculate hotness.  */
       profile_info = autofdo::afdo_profile_info;
-      is_hot = maybe_hot_count_p (NULL, profile_count::from_gcov_type (count));
+      is_hot = maybe_hot_count_p (NULL, pcount);
       profile_info = saved_profile_info;
       return is_hot;
     }