Improve performance of allocating closures for nested...

bleeding_edge/src/factory.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 266 matching lines @@
 }
 
 
 Handle<FixedArray> Factory::CopyFixedArray(Handle<FixedArray> array) {
   CALL_HEAP_FUNCTION(array->Copy(), FixedArray);
 }
 
 
 Handle<JSFunction> Factory::BaseNewFunctionFromBoilerplate(
     Handle<JSFunction> boilerplate,
-    Handle<Map> function_map) {
+    Handle<Map> function_map,
+    PretenureFlag pretenure) {
   ASSERT(boilerplate->IsBoilerplate());
   ASSERT(!boilerplate->has_initial_map());
   ASSERT(!boilerplate->has_prototype());
   ASSERT(boilerplate->properties() == Heap::empty_fixed_array());
   ASSERT(boilerplate->elements() == Heap::empty_fixed_array());
   CALL_HEAP_FUNCTION(Heap::AllocateFunction(*function_map,
                                             boilerplate->shared(),
-                                            Heap::the_hole_value()),
+                                            Heap::the_hole_value(),
+                                            pretenure),
                      JSFunction);
 }
 
 
 Handle<JSFunction> Factory::NewFunctionFromBoilerplate(
     Handle<JSFunction> boilerplate,
-    Handle<Context> context) {
-  Handle<JSFunction> result =
-      BaseNewFunctionFromBoilerplate(boilerplate, Top::function_map());
+    Handle<Context> context,
+    PretenureFlag pretenure) {
+  Handle<JSFunction> result = BaseNewFunctionFromBoilerplate(
+      boilerplate, Top::function_map(), pretenure);
   result->set_context(*context);
   int number_of_literals = boilerplate->NumberOfLiterals();
   Handle<FixedArray> literals =
-      Factory::NewFixedArray(number_of_literals, TENURED);
+      Factory::NewFixedArray(number_of_literals, pretenure);
   if (number_of_literals > 0) {
     // Store the object, regexp and array functions in the literals
     // array prefix.  These functions will be used when creating
     // object, regexp and array literals in this function.
     literals->set(JSFunction::kLiteralGlobalContextIndex,
                   context->global_context());
   }
   result->set_literals(*literals);
   ASSERT(!result->IsBoilerplate());
   return result;
@@ skipping 626 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal