[turbofan] Cleanup PropertyAccessInfos serialization

Bug: v8:7790
Change-Id: I5659dd0fd9cc9eb6c129dbdafbc678d6c62289c9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1763528
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Auto-Submit: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63305}

src/compiler/js-call-reducer.cc

@@ -7119,8 +7119,9 @@ Reduction JSCallReducer::ReduceRegExpPrototypeTest(Node* node) {
     // Obtain precomputed access infos from the broker.
     for (auto map : regexp_maps) {
       MapRef map_ref(broker(), map);
-      PropertyAccessInfo access_info =
-          broker()->GetAccessInfoForLoadingExec(map_ref);
+      PropertyAccessInfo access_info = broker()->GetPropertyAccessInfo(
+          map_ref, NameRef(broker(), isolate()->factory()->exec_string()),
+          AccessMode::kLoad);
       access_infos.push_back(access_info);
     }
   } else {

src/compiler/js-heap-broker.cc

@@ -2204,9 +2204,6 @@ JSHeapBroker::JSHeapBroker(Isolate* isolate, Zone* broker_zone,
       tracing_enabled_(tracing_enabled),
       feedback_(zone()),
       bytecode_analyses_(zone()),
-      ais_for_loading_exec_(zone()),
-      ais_for_loading_has_instance_(zone()),
-      ais_for_loading_then_(zone()),
       property_access_infos_(zone()),
       typed_array_string_tags_(zone()) {
   // Note that this initialization of the refs_ pointer with the minimal
@@ -4533,72 +4530,6 @@ base::Optional<NameRef> JSHeapBroker::GetNameFeedback(
   return NameRef(this, handle(raw_name, isolate()));
 }
 
-PropertyAccessInfo JSHeapBroker::GetAccessInfoForLoadingThen(MapRef map) {
-  auto access_info = ais_for_loading_then_.find(map);
-  if (access_info == ais_for_loading_then_.end()) {
-    TRACE_BROKER_MISSING(this,
-                         "access info for property 'then' on map " << map);
-    return PropertyAccessInfo::Invalid(zone());
-  }
-  return access_info->second;
-}
-
-PropertyAccessInfo JSHeapBroker::GetAccessInfoForLoadingHasInstance(
-    MapRef map) {
-  auto access_info = ais_for_loading_has_instance_.find(map);
-  if (access_info == ais_for_loading_has_instance_.end()) {
-    TRACE_BROKER_MISSING(
-        this, "access info for property Symbol.hasInstance on map " << map);
-    return PropertyAccessInfo::Invalid(zone());
-  }
-  return access_info->second;
-}
-
-PropertyAccessInfo JSHeapBroker::GetAccessInfoForLoadingExec(MapRef map) {
-  auto access_info = ais_for_loading_exec_.find(map);
-  if (access_info == ais_for_loading_exec_.end()) {
-    TRACE_BROKER_MISSING(this,
-                         "access info for property 'exec' on map " << map);
-    return PropertyAccessInfo::Invalid(zone());
-  }
-  return access_info->second;
-}
-
-void JSHeapBroker::CreateAccessInfoForLoadingThen(
-    MapRef map, CompilationDependencies* dependencies) {
-  auto access_info = ais_for_loading_then_.find(map);
-  if (access_info == ais_for_loading_then_.end()) {
-    AccessInfoFactory access_info_factory(this, dependencies, zone());
-    Handle<Name> then_string = isolate()->factory()->then_string();
-    ais_for_loading_then_.insert(
-        std::make_pair(map, access_info_factory.ComputePropertyAccessInfo(
-                                map.object(), then_string, AccessMode::kLoad)));
-  }
-}
-
-PropertyAccessInfo const& JSHeapBroker::CreateAccessInfoForLoadingHasInstance(
-    MapRef map, CompilationDependencies* dependencies) {
-  auto it = ais_for_loading_has_instance_.find(map);
-  if (it != ais_for_loading_has_instance_.end()) return it->second;
-
-  AccessInfoFactory access_info_factory(this, dependencies, zone());
-  auto access_info = access_info_factory.ComputePropertyAccessInfo(
-      map.object(), isolate()->factory()->has_instance_symbol(),
-      AccessMode::kLoad);
-  return ais_for_loading_has_instance_.insert({map, access_info}).first->second;
-}
-
-PropertyAccessInfo const& JSHeapBroker::CreateAccessInfoForLoadingExec(
-    MapRef map, CompilationDependencies* dependencies) {
-  auto it = ais_for_loading_exec_.find(map);
-  if (it != ais_for_loading_exec_.end()) return it->second;
-
-  AccessInfoFactory access_info_factory(this, dependencies, zone());
-  auto access_info = access_info_factory.ComputePropertyAccessInfo(
-      map.object(), isolate()->factory()->exec_string(), AccessMode::kLoad);
-  return ais_for_loading_exec_.insert({map, access_info}).first->second;
-}
-
 PropertyAccessInfo JSHeapBroker::GetPropertyAccessInfo(
     MapRef map, NameRef name, AccessMode access_mode,
     CompilationDependencies* dependencies, SerializationPolicy policy) {
@@ -4613,6 +4544,7 @@ PropertyAccessInfo JSHeapBroker::GetPropertyAccessInfo(
     return PropertyAccessInfo::Invalid(zone());
   }
 
+  CHECK_NOT_NULL(dependencies);
   AccessInfoFactory factory(this, dependencies, zone());
   PropertyAccessInfo access_info = factory.ComputePropertyAccessInfo(
       map.object(), name.object(), access_mode);

src/compiler/js-heap-broker.h

@@ -167,22 +167,11 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
 
   base::Optional<NameRef> GetNameFeedback(FeedbackNexus const& nexus);
 
-  // If there is no result stored for {map}, we return an Invalid
-  // PropertyAccessInfo.
-  PropertyAccessInfo GetAccessInfoForLoadingExec(MapRef map);
-  PropertyAccessInfo GetAccessInfoForLoadingHasInstance(MapRef map);
-  PropertyAccessInfo GetAccessInfoForLoadingThen(MapRef map);
-  PropertyAccessInfo const& CreateAccessInfoForLoadingExec(
-      MapRef map, CompilationDependencies* dependencies);
-  PropertyAccessInfo const& CreateAccessInfoForLoadingHasInstance(
-      MapRef map, CompilationDependencies* dependencies);
-  void CreateAccessInfoForLoadingThen(MapRef map,
-                                      CompilationDependencies* dependencies);
-  void StorePropertyAccessInfo(MapRef map, NameRef name, AccessMode mode,
-                               PropertyAccessInfo const& access_info);
+  // If {policy} is {kAssumeSerialized} and the broker doesn't know about the
+  // combination of {map}, {name}, and {access_mode}, returns Invalid.
   PropertyAccessInfo GetPropertyAccessInfo(
       MapRef map, NameRef name, AccessMode access_mode,
-      CompilationDependencies* dependencies,
+      CompilationDependencies* dependencies = nullptr,
       SerializationPolicy policy = SerializationPolicy::kAssumeSerialized);
 
   StringRef GetTypedArrayStringTag(ElementsKind kind);
@@ -234,15 +223,6 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
                    FeedbackSource::Hash, FeedbackSource::Equal>
       feedback_;
   ZoneUnorderedMap<ObjectData*, BytecodeAnalysis*> bytecode_analyses_;
-  typedef ZoneUnorderedMap<MapRef, PropertyAccessInfo, ObjectRef::Hash,
-                           ObjectRef::Equal>
-      MapToAccessInfos;
-
-  // TODO(neis): Replaceby uses of property_access_infos_.
-  MapToAccessInfos ais_for_loading_exec_;
-  MapToAccessInfos ais_for_loading_has_instance_;
-  MapToAccessInfos ais_for_loading_then_;
-
   ZoneUnorderedMap<PropertyAccessTarget, PropertyAccessInfo,
                    PropertyAccessTarget::Hash, PropertyAccessTarget::Equal>
       property_access_infos_;

src/compiler/js-intrinsic-lowering.cc

@@ -25,6 +25,8 @@ JSIntrinsicLowering::JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph)
     : AdvancedReducer(editor), jsgraph_(jsgraph) {}
 
 Reduction JSIntrinsicLowering::Reduce(Node* node) {
+  DisallowHeapAccessIf no_heap_access(FLAG_concurrent_inlining);
+
   if (node->opcode() != IrOpcode::kJSCallRuntime) return NoChange();
   const Runtime::Function* const f =
       Runtime::FunctionForId(CallRuntimeParametersOf(node->op()).id());

src/compiler/js-native-context-specialization.cc

@@ -407,7 +407,10 @@ Reduction JSNativeContextSpecialization::ReduceJSInstanceOf(Node* node) {
 
   PropertyAccessInfo access_info = PropertyAccessInfo::Invalid(graph()->zone());
   if (FLAG_concurrent_inlining) {
-    access_info = broker()->GetAccessInfoForLoadingHasInstance(receiver_map);
+    access_info = broker()->GetPropertyAccessInfo(
+        receiver_map,
+        NameRef(broker(), isolate()->factory()->has_instance_symbol()),
+        AccessMode::kLoad);
   } else {
     AccessInfoFactory access_info_factory(broker(), dependencies(),
                                           graph()->zone());
@@ -714,7 +717,9 @@ Reduction JSNativeContextSpecialization::ReduceJSResolvePromise(Node* node) {
     // Obtain pre-computed access infos from the broker.
     for (auto map : resolution_maps) {
       MapRef map_ref(broker(), map);
-      access_infos.push_back(broker()->GetAccessInfoForLoadingThen(map_ref));
+      access_infos.push_back(broker()->GetPropertyAccessInfo(
+          map_ref, NameRef(broker(), isolate()->factory()->then_string()),
+          AccessMode::kLoad));
     }
   }
   PropertyAccessInfo access_info =

src/compiler/serializer-for-background-compilation.cc

@@ -1911,8 +1911,11 @@ void SerializerForBackgroundCompilation::ProcessHintsForHasInPrototypeChain(
 void SerializerForBackgroundCompilation::ProcessHintsForPromiseResolve(
     Hints const& resolution_hints) {
   auto processMap = [&](Handle<Map> map) {
-    broker()->CreateAccessInfoForLoadingThen(MapRef(broker(), map),
-                                             dependencies());
+    broker()->GetPropertyAccessInfo(
+        MapRef(broker(), map),
+        NameRef(broker(), broker()->isolate()->factory()->then_string()),
+        AccessMode::kLoad, dependencies(),
+        SerializationPolicy::kSerializeIfNeeded);
   };
 
   for (auto hint : resolution_hints.constants()) {
@@ -1942,8 +1945,10 @@ void SerializerForBackgroundCompilation::ProcessMapHintsForPromises(
 
 PropertyAccessInfo SerializerForBackgroundCompilation::ProcessMapForRegExpTest(
     MapRef map) {
-  PropertyAccessInfo ai_exec =
-      broker()->CreateAccessInfoForLoadingExec(map, dependencies());
+  PropertyAccessInfo ai_exec = broker()->GetPropertyAccessInfo(
+      map, NameRef(broker(), broker()->isolate()->factory()->exec_string()),
+      AccessMode::kLoad, dependencies(),
+      SerializationPolicy::kSerializeIfNeeded);
 
   Handle<JSObject> holder;
   if (ai_exec.IsDataConstant() && ai_exec.holder().ToHandle(&holder)) {
@@ -2286,7 +2291,7 @@ SerializerForBackgroundCompilation::ProcessMapForNamedPropertyAccess(
         name, SerializationPolicy::kSerializeIfNeeded);
   }
 
-  PropertyAccessInfo const& access_info = broker()->GetPropertyAccessInfo(
+  PropertyAccessInfo access_info = broker()->GetPropertyAccessInfo(
       receiver_map, name, access_mode, dependencies(),
       SerializationPolicy::kSerializeIfNeeded);
 
@@ -2597,9 +2602,11 @@ void SerializerForBackgroundCompilation::ProcessConstantForInstanceOf(
   if (!constructor.IsHeapObject()) return;
   HeapObjectRef constructor_heap_object = constructor.AsHeapObject();
 
-  PropertyAccessInfo const& access_info =
-      broker()->CreateAccessInfoForLoadingHasInstance(
-          constructor_heap_object.map(), dependencies());
+  PropertyAccessInfo access_info = broker()->GetPropertyAccessInfo(
+      constructor_heap_object.map(),
+      NameRef(broker(), broker()->isolate()->factory()->has_instance_symbol()),
+      AccessMode::kLoad, dependencies(),
+      SerializationPolicy::kSerializeIfNeeded);
 
   if (access_info.IsNotFound()) {
     ProcessConstantForOrdinaryHasInstance(constructor_heap_object,