Purge unused internalized string accessors.

src/arm64/lithium-codegen-arm64.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/v8.h"
 
 #include "src/arm64/lithium-codegen-arm64.h"
 #include "src/arm64/lithium-gap-resolver-arm64.h"
 #include "src/code-stubs.h"
 #include "src/hydrogen-osr.h"
@@ skipping 2340 matching lines @@
   Handle<String> class_name = instr->hydrogen()->class_name();
   Label* true_label = instr->TrueLabel(chunk_);
   Label* false_label = instr->FalseLabel(chunk_);
   Register input = ToRegister(instr->value());
   Register scratch1 = ToRegister(instr->temp1());
   Register scratch2 = ToRegister(instr->temp2());
 
   __ JumpIfSmi(input, false_label);
 
   Register map = scratch2;
-  if (class_name->IsUtf8EqualTo(CStrVector("Function"))) {
+  if (String::Equals(isolate()->factory()->Function_string(), class_name)) {
     // Assuming the following assertions, we can use the same compares to test
     // for both being a function type and being in the object type range.
     STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2);
     STATIC_ASSERT(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE ==
                   FIRST_SPEC_OBJECT_TYPE + 1);
     STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE ==
                   LAST_SPEC_OBJECT_TYPE - 1);
     STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
 
     // We expect CompareObjectType to load the object instance type in scratch1.
     __ CompareObjectType(input, map, scratch1, FIRST_SPEC_OBJECT_TYPE);
     __ B(lt, false_label);
     __ B(eq, true_label);
     __ Cmp(scratch1, LAST_SPEC_OBJECT_TYPE);
     __ B(eq, true_label);
   } else {
     __ IsObjectJSObjectType(input, map, scratch1, false_label);
   }
 
   // Now we are in the FIRST-LAST_NONCALLABLE_SPEC_OBJECT_TYPE range.
   // Check if the constructor in the map is a function.
   __ Ldr(scratch1, FieldMemOperand(map, Map::kConstructorOffset));
 
   // Objects with a non-function constructor have class 'Object'.
-  if (class_name->IsUtf8EqualTo(CStrVector("Object"))) {
+  if (String::Equals(class_name, isolate()->factory()->Object_string())) {
     __ JumpIfNotObjectType(
         scratch1, scratch2, scratch2, JS_FUNCTION_TYPE, true_label);
   } else {
     __ JumpIfNotObjectType(
         scratch1, scratch2, scratch2, JS_FUNCTION_TYPE, false_label);
   }
 
   // The constructor function is in scratch1. Get its instance class name.
   __ Ldr(scratch1,
          FieldMemOperand(scratch1, JSFunction::kSharedFunctionInfoOffset));
@@ skipping 3649 matching lines @@
   Handle<ScopeInfo> scope_info = instr->scope_info();
   __ Push(scope_info);
   __ Push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 
 } }  // namespace v8::internal