Create per-descriptor-index LoadApiGetterStub

src/ic/ic.cc

 // Copyright 2012 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/ic/ic.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/api-arguments.h"
 #include "src/arguments.h"
@@ skipping 1026 matching lines @@
         if (accessors->IsAccessorPair()) {
           if (!holder->HasFastProperties()) break;
           // When debugging we need to go the slow path to flood the accessor.
           if (GetSharedFunctionInfo()->HasDebugInfo()) break;
           Handle<Object> getter(Handle<AccessorPair>::cast(accessors)->getter(),
                                 isolate());
           CallOptimization call_optimization(getter);
           NamedLoadHandlerCompiler compiler(isolate(), map, holder,
                                             cache_holder);
           if (call_optimization.is_simple_api_call()) {
-            return compiler.CompileLoadCallback(
-                lookup->name(), call_optimization, lookup->GetAccessorIndex());
+            int index = lookup->GetAccessorIndex();
+            return compiler.CompileLoadCallback(lookup->name(),
+                                                call_optimization, index);
           }
           int expected_arguments = Handle<JSFunction>::cast(getter)
                                        ->shared()
                                        ->internal_formal_parameter_count();
           return compiler.CompileLoadViaGetter(
               lookup->name(), lookup->GetAccessorIndex(), expected_arguments);
         } else if (accessors->IsAccessorInfo()) {
           Handle<AccessorInfo> info = Handle<AccessorInfo>::cast(accessors);
-          if (v8::ToCData<Address>(info->getter()) == 0) break;
+          if (v8::ToCData<Address>(info->getter()) == nullptr) break;
           if (!AccessorInfo::IsCompatibleReceiverMap(isolate(), info, map)) {
             // This case should be already handled in LoadIC::UpdateCaches.
             UNREACHABLE();
             break;
           }
           if (!holder->HasFastProperties()) break;
+          if (receiver_is_holder) {
+            int index = lookup->GetAccessorIndex();
+            LoadApiGetterStub stub(isolate(), true, index);
+            return stub.GetCode();
+          }
           NamedLoadHandlerCompiler compiler(isolate(), map, holder,
                                             cache_holder);
           return compiler.CompileLoadCallback(lookup->name(), info);
         }
       }
       break;
     }
 
     case LookupIterator::DATA: {
       if (lookup->is_dictionary_holder()) {
@@ skipping 1663 matching lines @@
     KeyedLoadICNexus nexus(vector, vector_slot);
     KeyedLoadIC ic(IC::EXTRA_CALL_FRAME, isolate, &nexus);
     ic.UpdateState(receiver, key);
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, ic.Load(receiver, key));
   }
 
   return *result;
 }
 }  // namespace internal
 }  // namespace v8