[builtins] implement JSBuiltinReducer for ArrayIteratorNext()

src/runtime/runtime-array.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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/code-stubs.h"
 #include "src/conversions-inl.h"
 #include "src/elements.h"
@@ skipping 13 matching lines @@
   Object* length = prototype->length();
   CHECK(length->IsSmi());
   CHECK(Smi::cast(length)->value() == 0);
   CHECK(prototype->HasFastSmiOrObjectElements());
   // This is necessary to enable fast checks for absence of elements
   // on Array.prototype and below.
   prototype->set_elements(isolate->heap()->empty_fixed_array());
   return Smi::kZero;
 }
 
-static void InstallCode(Isolate* isolate, Handle<JSObject> holder,
-                        const char* name, Handle<Code> code, int argc = -1) {
+static void InstallCode(
+    Isolate* isolate, Handle<JSObject> holder, const char* name,
+    Handle<Code> code, int argc = -1,
+    BuiltinFunctionId id = static_cast<BuiltinFunctionId>(-1)) {
   Handle<String> key = isolate->factory()->InternalizeUtf8String(name);
   Handle<JSFunction> optimized =
       isolate->factory()->NewFunctionWithoutPrototype(key, code);
   if (argc < 0) {
     optimized->shared()->DontAdaptArguments();
   } else {
     optimized->shared()->set_internal_formal_parameter_count(argc);
   }
+  if (id >= 0) {
+    optimized->shared()->set_builtin_function_id(id);
+  }
   JSObject::AddProperty(holder, key, optimized, NONE);
 }
 
-static void InstallBuiltin(Isolate* isolate, Handle<JSObject> holder,
-                           const char* name, Builtins::Name builtin_name,
-                           int argc = -1) {
+static void InstallBuiltin(
+    Isolate* isolate, Handle<JSObject> holder, const char* name,
+    Builtins::Name builtin_name, int argc = -1,
+    BuiltinFunctionId id = static_cast<BuiltinFunctionId>(-1)) {
   InstallCode(isolate, holder, name,
-              handle(isolate->builtins()->builtin(builtin_name), isolate),
-              argc);
+              handle(isolate->builtins()->builtin(builtin_name), isolate), argc,
+              id);
 }
 
 RUNTIME_FUNCTION(Runtime_SpecialArrayFunctions) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   Handle<JSObject> holder =
       isolate->factory()->NewJSObject(isolate->object_function());
 
   InstallBuiltin(isolate, holder, "pop", Builtins::kArrayPop);
   if (FLAG_minimal) {
     InstallBuiltin(isolate, holder, "push", Builtins::kArrayPush);
   } else {
     FastArrayPushStub stub(isolate);
     InstallCode(isolate, holder, "push", stub.GetCode());
   }
   InstallBuiltin(isolate, holder, "shift", Builtins::kArrayShift);
   InstallBuiltin(isolate, holder, "unshift", Builtins::kArrayUnshift);
   InstallBuiltin(isolate, holder, "slice", Builtins::kArraySlice);
   InstallBuiltin(isolate, holder, "splice", Builtins::kArraySplice);
   InstallBuiltin(isolate, holder, "includes", Builtins::kArrayIncludes, 2);
   InstallBuiltin(isolate, holder, "indexOf", Builtins::kArrayIndexOf, 2);
-  InstallBuiltin(isolate, holder, "keys", Builtins::kArrayPrototypeKeys, 0);
-  InstallBuiltin(isolate, holder, "values", Builtins::kArrayPrototypeValues, 0);
+  InstallBuiltin(isolate, holder, "keys", Builtins::kArrayPrototypeKeys, 0,
+                 kArrayKeys);
+  InstallBuiltin(isolate, holder, "values", Builtins::kArrayPrototypeValues, 0,
+                 kArrayValues);
   InstallBuiltin(isolate, holder, "entries", Builtins::kArrayPrototypeEntries,
-                 0);
+                 0, kArrayEntries);
 
   return *holder;
 }
 
 
 RUNTIME_FUNCTION(Runtime_FixedArrayGet) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_CHECKED(FixedArray, object, 0);
   CONVERT_SMI_ARG_CHECKED(index, 1);
@@ skipping 535 matching lines @@
       if (search_element->StrictEquals(*element_k)) {
         return *index_obj;
       }
     }
   }
   return Smi::FromInt(-1);
 }
 
 }  // namespace internal
 }  // namespace v8