ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls with zero counts.

	* ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls
	with zero counts.

From-SVN: r257020

gcc/ChangeLog

+2018-01-24  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-profile.c (ipa_propagate_frequency_1): Fix logic skipping calls
+	with zero counts.
+
 2018-01-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	* config/rs6000/rs6000.md (*call_indirect_nonlocal_sysv<mode>):

gcc/ipa-profile.c

@@ -331,16 +331,14 @@ ipa_propagate_frequency_1 (struct cgraph_node *node, void *data)
 	 it is executed by the train run.  Transfer the function only if all
 	 callers are unlikely executed.  */
       if (profile_info
-	  && edge->callee->count.initialized_p ()
-	  /* Thunks are not profiled.  This is more or less implementation
-	     bug.  */
-	  && !d->function_symbol->thunk.thunk_p
+	  && !(edge->callee->count.ipa () == profile_count::zero ())
 	  && (edge->caller->frequency != NODE_FREQUENCY_UNLIKELY_EXECUTED
 	      || (edge->caller->global.inlined_to
 		  && edge->caller->global.inlined_to->frequency
 		     != NODE_FREQUENCY_UNLIKELY_EXECUTED)))
 	  d->maybe_unlikely_executed = false;
-      if (edge->count.initialized_p () && !edge->count.nonzero_p ())
+      if (edge->count.ipa ().initialized_p ()
+	  && !edge->count.ipa ().nonzero_p ())
 	continue;
       switch (edge->caller->frequency)
         {