[intrinsic] Drop the %_ValueOf intrinsic.

test/unittests/compiler/js-intrinsic-lowering-unittest.cc

 // Copyright 2015 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/compiler/access-builder.h"
 #include "src/compiler/diamond.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-intrinsic-lowering.h"
 #include "src/compiler/js-operator.h"
 #include "test/unittests/compiler/graph-unittest.h"
@@ skipping 158 matching lines @@
   Node* const context = Parameter(1);
   Node* const effect = graph()->start();
   Node* const control = graph()->start();
   Reduction const r = Reduce(graph()->NewNode(
       javascript()->CallRuntime(Runtime::kInlineIsJSReceiver, 1), input,
       context, effect, control));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(), IsObjectIsReceiver(input));
 }
 
-
-// -----------------------------------------------------------------------------
-// %_ValueOf
-
-
-TEST_F(JSIntrinsicLoweringTest, InlineValueOf) {
-  Node* const input = Parameter(0);
-  Node* const context = Parameter(1);
-  Node* const effect = graph()->start();
-  Node* const control = graph()->start();
-  Reduction const r = Reduce(
-      graph()->NewNode(javascript()->CallRuntime(Runtime::kInlineValueOf, 1),
-                       input, context, effect, control));
-  ASSERT_TRUE(r.Changed());
-
-  Node* phi = r.replacement();
-  Capture<Node*> branch0, if_false0, branch1, if_true1;
-  EXPECT_THAT(
-      phi,
-      IsPhi(
-          MachineRepresentation::kTagged, input,
-          IsPhi(MachineRepresentation::kTagged,
-                IsLoadField(AccessBuilder::ForValue(), input, effect,
-                            CaptureEq(&if_true1)),
-                input,
-                IsMerge(
-                    AllOf(CaptureEq(&if_true1), IsIfTrue(CaptureEq(&branch1))),
-                    IsIfFalse(AllOf(
-                        CaptureEq(&branch1),
-                        IsBranch(
-                            IsWord32Equal(
-                                IsLoadField(
-                                    AccessBuilder::ForMapInstanceType(),
-                                    IsLoadField(AccessBuilder::ForMap(), input,
-                                                effect, CaptureEq(&if_false0)),
-                                    effect, _),
-                                IsInt32Constant(JS_VALUE_TYPE)),
-                            CaptureEq(&if_false0)))))),
-          IsMerge(
-              IsIfTrue(AllOf(CaptureEq(&branch0),
-                             IsBranch(IsObjectIsSmi(input), control))),
-              AllOf(CaptureEq(&if_false0), IsIfFalse(CaptureEq(&branch0))))));
-}
-
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8