Vector ICs: Introduce an InstanceType for the type feedback vector.

src/factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/factory.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 960 matching lines @@
 }
 
 
 Handle<FixedArray> Factory::CopyFixedArray(Handle<FixedArray> array) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->CopyFixedArray(*array),
                      FixedArray);
 }
 
 
+Handle<TypeFeedbackVector> Factory::CopyTypeFeedbackVector(
+    Handle<TypeFeedbackVector> vector) {
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->CopyTypeFeedbackVector(*vector),
+                     TypeFeedbackVector);
+}
+
+
 Handle<FixedArray> Factory::CopyAndTenureFixedCOWArray(
     Handle<FixedArray> array) {
   DCHECK(isolate()->heap()->InNewSpace(*array));
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->CopyAndTenureFixedCOWArray(*array),
                      FixedArray);
 }
 
 
 Handle<FixedDoubleArray> Factory::CopyFixedDoubleArray(
@@ skipping 1111 matching lines @@
 void Factory::BecomeJSFunction(Handle<JSProxy> proxy) {
   ReinitializeJSProxy(proxy, JS_FUNCTION_TYPE, JSFunction::kSize);
 }
 
 
 template Handle<TypeFeedbackVector> Factory::NewTypeFeedbackVector(
     const ZoneFeedbackVectorSpec* spec);
 template Handle<TypeFeedbackVector> Factory::NewTypeFeedbackVector(
     const FeedbackVectorSpec* spec);
 
+
 template <typename Spec>
 Handle<TypeFeedbackVector> Factory::NewTypeFeedbackVector(const Spec* spec) {
-  return TypeFeedbackVector::Allocate<Spec>(isolate(), spec);
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->AllocateTypeFeedbackVector(spec),
+                     TypeFeedbackVector);
 }
 
 
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
     Handle<String> name, int number_of_literals, FunctionKind kind,
     Handle<Code> code, Handle<ScopeInfo> scope_info,
     Handle<TypeFeedbackVector> feedback_vector) {
   DCHECK(IsValidFunctionKind(kind));
   Handle<SharedFunctionInfo> shared = NewSharedFunctionInfo(name, code);
   shared->set_scope_info(*scope_info);
@@ skipping 24 matching lines @@
   message_obj->set_script(*script);
   message_obj->set_stack_frames(*stack_frames);
   return message_obj;
 }
 
 
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
     Handle<String> name,
     MaybeHandle<Code> maybe_code) {
   Handle<Map> map = shared_function_info_map();
+  FeedbackVectorSpec empty_spec;
+  Handle<TypeFeedbackVector> feedback_vector =
+      NewTypeFeedbackVector(&empty_spec);
   Handle<SharedFunctionInfo> share = New<SharedFunctionInfo>(map, OLD_SPACE);
 
   // Set pointer fields.
   share->set_name(*name);
   Handle<Code> code;
   if (!maybe_code.ToHandle(&code)) {
     code = handle(isolate()->builtins()->builtin(Builtins::kIllegal));
   }
   share->set_code(*code);
   share->set_optimized_code_map(Smi::FromInt(0));
   share->set_scope_info(ScopeInfo::Empty(isolate()));
   Code* construct_stub =
       isolate()->builtins()->builtin(Builtins::kJSConstructStubGeneric);
   share->set_construct_stub(construct_stub);
   share->set_instance_class_name(*Object_string());
   share->set_function_data(*undefined_value(), SKIP_WRITE_BARRIER);
   share->set_script(*undefined_value(), SKIP_WRITE_BARRIER);
   share->set_debug_info(*undefined_value(), SKIP_WRITE_BARRIER);
   share->set_inferred_name(*empty_string(), SKIP_WRITE_BARRIER);
-  FeedbackVectorSpec empty_spec(0);
-  Handle<TypeFeedbackVector> feedback_vector =
-      NewTypeFeedbackVector(&empty_spec);
   share->set_feedback_vector(*feedback_vector, SKIP_WRITE_BARRIER);
 #if TRACE_MAPS
   share->set_unique_id(isolate()->GetNextUniqueSharedFunctionInfoId());
 #endif
   share->set_profiler_ticks(0);
   share->set_ast_node_count(0);
   share->set_counters(0);
 
   // Set integer fields (smi or int, depending on the architecture).
   share->set_length(0);
@@ skipping 239 matching lines @@
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 }  // namespace internal
 }  // namespace v8