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[turbofan] Add JSFunctionRef::feedback_vector.

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Bug: v8:7790
Change-Id: I834dd74803d610666d40fdb50f7e9671aa99d215
Reviewed-on: https://chromium-review.googlesource.com/c/1437288
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59124}
This commit is contained in:
Georg Neis 2019-01-28 13:56:55 +01:00 committed by Commit Bot
parent 7ed0d4b8fa
commit d9784e11b8
2 changed files with 15 additions and 1 deletions
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14
src/compiler/js-heap-broker.cc
View File

@ -310,6 +310,7 @@ class JSFunctionData : public JSObjectData {
JSFunctionData(JSHeapBroker* broker, ObjectData** storage,
Handle<JSFunction> object);
bool has_feedback_vector() const { return has_feedback_vector_; }
bool has_initial_map() const { return has_initial_map_; }
bool has_prototype() const { return has_prototype_; }
bool PrototypeRequiresRuntimeLookup() const {
@ -323,12 +324,14 @@ class JSFunctionData : public JSObjectData {
MapData* initial_map() const { return initial_map_; }
ObjectData* prototype() const { return prototype_; }
SharedFunctionInfoData* shared() const { return shared_; }
FeedbackVectorData* feedback_vector() const { return feedback_vector_; }
int initial_map_instance_size_with_min_slack() const {
CHECK(serialized_);
return initial_map_instance_size_with_min_slack_;
}
private:
bool has_feedback_vector_;
bool has_initial_map_;
bool has_prototype_;
bool PrototypeRequiresRuntimeLookup_;
@ -340,6 +343,7 @@ class JSFunctionData : public JSObjectData {
MapData* initial_map_ = nullptr;
ObjectData* prototype_ = nullptr;
SharedFunctionInfoData* shared_ = nullptr;
FeedbackVectorData* feedback_vector_ = nullptr;
int initial_map_instance_size_with_min_slack_;
};
@ -833,6 +837,7 @@ MapData::MapData(JSHeapBroker* broker, ObjectData** storage, Handle<Map> object)
JSFunctionData::JSFunctionData(JSHeapBroker* broker, ObjectData** storage,
Handle<JSFunction> object)
: JSObjectData(broker, storage, object),
has_feedback_vector_(object->has_feedback_vector()),
has_initial_map_(object->has_prototype_slot() &&
object->has_initial_map()),
has_prototype_(object->has_prototype_slot() && object->has_prototype()),
@ -851,11 +856,16 @@ void JSFunctionData::Serialize(JSHeapBroker* broker) {
DCHECK_NULL(initial_map_);
DCHECK_NULL(prototype_);
DCHECK_NULL(shared_);
DCHECK_NULL(feedback_vector_);
context_ = broker->GetOrCreateData(function->context())->AsContext();
native_context_ =
broker->GetOrCreateData(function->native_context())->AsNativeContext();
shared_ = broker->GetOrCreateData(function->shared())->AsSharedFunctionInfo();
feedback_vector_ = has_feedback_vector()
? broker->GetOrCreateData(function->feedback_vector())
->AsFeedbackVector()
: nullptr;
initial_map_ = has_initial_map()
? broker->GetOrCreateData(function->initial_map())->AsMap()
: nullptr;
@ -2234,14 +2244,16 @@ BIMODAL_ACCESSOR(JSBoundFunction, FixedArray, bound_arguments)
BIMODAL_ACCESSOR_C(JSDataView, size_t, byte_length)
BIMODAL_ACCESSOR_C(JSDataView, size_t, byte_offset)
BIMODAL_ACCESSOR_C(JSFunction, bool, has_prototype)
BIMODAL_ACCESSOR_C(JSFunction, bool, has_feedback_vector)
BIMODAL_ACCESSOR_C(JSFunction, bool, has_initial_map)
BIMODAL_ACCESSOR_C(JSFunction, bool, has_prototype)
BIMODAL_ACCESSOR_C(JSFunction, bool, PrototypeRequiresRuntimeLookup)
BIMODAL_ACCESSOR(JSFunction, Context, context)
BIMODAL_ACCESSOR(JSFunction, NativeContext, native_context)
BIMODAL_ACCESSOR(JSFunction, Map, initial_map)
BIMODAL_ACCESSOR(JSFunction, Object, prototype)
BIMODAL_ACCESSOR(JSFunction, SharedFunctionInfo, shared)
BIMODAL_ACCESSOR(JSFunction, FeedbackVector, feedback_vector)
BIMODAL_ACCESSOR_C(JSTypedArray, bool, is_on_heap)
BIMODAL_ACCESSOR_C(JSTypedArray, size_t, length_value)

2
src/compiler/js-heap-broker.h
View File

@ -231,6 +231,7 @@ class JSFunctionRef : public JSObjectRef {
using JSObjectRef::JSObjectRef;
Handle<JSFunction> object() const;
bool has_feedback_vector() const;
bool has_initial_map() const;
bool has_prototype() const;
bool PrototypeRequiresRuntimeLookup() const;
@ -243,6 +244,7 @@ class JSFunctionRef : public JSObjectRef {
ContextRef context() const;
NativeContextRef native_context() const;
SharedFunctionInfoRef shared() const;
FeedbackVectorRef feedback_vector() const;
int InitialMapInstanceSizeWithMinSlack() const;
};