src/hotspot/share/opto/escape.cpp

rev 60137 : 8227745: Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents
Reviewed-by: mdoerr, goetz
rev 60138 : 8227745: delta webrev.5 -> webrev.6

@@ -341,10 +341,11 @@
   }
 
   return has_non_escaping_obj;
 }
 
+// Returns true if an object in the scope of sfn does not escape globally.
 bool ConnectionGraph::has_not_global_escape_in_scope(SafePointNode* sfn) {
   Compile* C = _compile;
   for (JVMState* jvms = sfn->jvms(); jvms != NULL; jvms = jvms->caller()) {
     if (C->env()->should_retain_local_variables() || C->env()->jvmti_can_walk_any_space() ||
         DeoptimizeObjectsALot) {

@@ -370,10 +371,12 @@
     }
   }
   return false;
 }
 
+// Returns true if at least one of the arguments to the call is an object
+// that does not escape globally.
 bool ConnectionGraph::has_arg_escape(CallJavaNode* call) {
   if (call->method() != NULL) {
     uint max_idx = TypeFunc::Parms + call->method()->arg_size();
     for (uint idx = TypeFunc::Parms; idx < max_idx; idx++) {
       Node* p = call->in(idx);