[intrinsic] Drop the %_ValueOf intrinsic.

src/full-codegen/arm64/full-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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2745 matching lines @@
   __ Bind(&null);
   __ LoadRoot(x0, Heap::kNullValueRootIndex);
 
   // All done.
   __ Bind(&done);
 
   context()->Plug(x0);
 }
 
 
-void FullCodeGenerator::EmitValueOf(CallRuntime* expr) {
-  ASM_LOCATION("FullCodeGenerator::EmitValueOf");
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-  VisitForAccumulatorValue(args->at(0));  // Load the object.
-
-  Label done;
-  // If the object is a smi return the object.
-  __ JumpIfSmi(x0, &done);
-  // If the object is not a value type, return the object.
-  __ JumpIfNotObjectType(x0, x10, x11, JS_VALUE_TYPE, &done);
-  __ Ldr(x0, FieldMemOperand(x0, JSValue::kValueOffset));
-
-  __ Bind(&done);
-  context()->Plug(x0);
-}
-
-
 void FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);
 
   VisitForAccumulatorValue(args->at(0));
 
   Label done;
   Register code = x0;
   Register result = x1;
 
@@ skipping 1070 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64