Use GetProperty for getting elements.

src/compiler/js-typed-lowering.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/code-factory.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-typed-lowering.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 761 matching lines @@
       if (IsExternalArrayElementsKind(array->map()->elements_kind()) &&
           key_type->Is(shifted_int32_ranges_[k]) && byte_length <= kMaxInt) {
         // JSLoadProperty(typed-array, int32)
         Handle<ExternalArray> elements =
             Handle<ExternalArray>::cast(handle(array->elements()));
         Node* buffer = jsgraph()->PointerConstant(elements->external_pointer());
         Node* length = jsgraph()->Constant(byte_length);
         Node* effect = NodeProperties::GetEffectInput(node);
         Node* control = NodeProperties::GetControlInput(node);
         // Check if we can avoid the bounds check.
-        if (key_type->Min() >= 0 &&
-            key_type->Max() < array->length()->Number()) {
+        if (key_type->Min() >= 0 && key_type->Max() < array->length_value()) {
           Node* load = graph()->NewNode(
               simplified()->LoadElement(
                   AccessBuilder::ForTypedArrayElement(array->type(), true)),
               buffer, key, effect, control);
           ReplaceWithValue(node, load, load);
           return Replace(load);
         }
         // Compute byte offset.
         Node* offset = Word32Shl(key, static_cast<int>(k));
         Node* load = graph()->NewNode(simplified()->LoadBuffer(access), buffer,
@@ skipping 49 matching lines @@
         }
         // For integer-typed arrays, convert to the integer type.
         if (TypeOf(access.machine_type()) == kTypeInt32 &&
             !value_type->Is(Type::Signed32())) {
           value = graph()->NewNode(simplified()->NumberToInt32(), value);
         } else if (TypeOf(access.machine_type()) == kTypeUint32 &&
                    !value_type->Is(Type::Unsigned32())) {
           value = graph()->NewNode(simplified()->NumberToUint32(), value);
         }
         // Check if we can avoid the bounds check.
-        if (key_type->Min() >= 0 &&
-            key_type->Max() < array->length()->Number()) {
+        if (key_type->Min() >= 0 && key_type->Max() < array->length_value()) {
           node->set_op(simplified()->StoreElement(
               AccessBuilder::ForTypedArrayElement(array->type(), true)));
           node->ReplaceInput(0, buffer);
           DCHECK_EQ(key, node->InputAt(1));
           node->ReplaceInput(2, value);
           node->ReplaceInput(3, effect);
           node->ReplaceInput(4, control);
           node->TrimInputCount(5);
           RelaxControls(node);
           return Changed(node);
@@ skipping 612 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSTypedLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8