Introduce {FAST,SLOW}_STRING_WRAPPER_ELEMENTS

src/crankshaft/hydrogen.cc

 // Copyright 2013 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/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast-numbering.h"
@@ skipping 5677 matching lines @@
       // Lookup in script contexts.
       {
         Handle<ScriptContextTable> script_contexts(
             global->native_context()->script_context_table());
         ScriptContextTable::LookupResult lookup;
         if (ScriptContextTable::Lookup(script_contexts, variable->name(),
                                        &lookup)) {
           Handle<Context> script_context = ScriptContextTable::GetContext(
               script_contexts, lookup.context_index);
           Handle<Object> current_value =
-              FixedArray::get(script_context, lookup.slot_index);
+              FixedArray::get(*script_context, lookup.slot_index, isolate());
 
           // If the values is not the hole, it will stay initialized,
           // so no need to generate a check.
           if (*current_value == *isolate()->factory()->the_hole_value()) {
             return Bailout(kReferenceToUninitializedVariable);
           }
           HInstruction* result = New<HLoadNamedField>(
               Add<HConstant>(script_context), nullptr,
               HObjectAccess::ForContextSlot(lookup.slot_index));
           return ast_context()->ReturnInstruction(result, expr->id());
@@ skipping 1175 matching lines @@
         global->native_context()->script_context_table());
     ScriptContextTable::LookupResult lookup;
     if (ScriptContextTable::Lookup(script_contexts, var->name(), &lookup)) {
       if (lookup.mode == CONST) {
         return Bailout(kNonInitializerAssignmentToConst);
       }
       Handle<Context> script_context =
           ScriptContextTable::GetContext(script_contexts, lookup.context_index);
 
       Handle<Object> current_value =
-          FixedArray::get(script_context, lookup.slot_index);
+          FixedArray::get(*script_context, lookup.slot_index, isolate());
 
       // If the values is not the hole, it will stay initialized,
       // so no need to generate a check.
       if (*current_value == *isolate()->factory()->the_hole_value()) {
         return Bailout(kReferenceToUninitializedVariable);
       }
 
       HStoreNamedField* instr = Add<HStoreNamedField>(
           Add<HConstant>(script_context),
           HObjectAccess::ForContextSlot(lookup.slot_index), value);
@@ skipping 503 matching lines @@
   LoadKeyedHoleMode load_mode = BuildKeyedHoleMode(map);
   return BuildUncheckedMonomorphicElementAccess(
       checked_object, key, val,
       map->instance_type() == JS_ARRAY_TYPE,
       map->elements_kind(), access_type,
       load_mode, store_mode);
 }
 
 
 static bool CanInlineElementAccess(Handle<Map> map) {
-  return map->IsJSObjectMap() && !map->has_dictionary_elements() &&
-         !map->has_sloppy_arguments_elements() &&
+  return map->IsJSObjectMap() &&
+         (map->has_fast_elements() || map->has_fixed_typed_array_elements()) &&
          !map->has_indexed_interceptor() && !map->is_access_check_needed();
 }
 
 
 HInstruction* HOptimizedGraphBuilder::TryBuildConsolidatedElementLoad(
     HValue* object,
     HValue* key,
     HValue* val,
     SmallMapList* maps) {
   // For polymorphic loads of similar elements kinds (i.e. all tagged or all
@@ skipping 6234 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8