[turbofan] Add CodeFactory::Instanceof helper.

src/compiler/js-generic-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/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 247 matching lines @@
   Node* ref = jsgraph()->ExternalConstant(ExternalReference(f, isolate()));
   Node* arity = jsgraph()->Int32Constant(nargs);
   node->InsertInput(zone(), 0, jsgraph()->CEntryStubConstant(fun->result_size));
   node->InsertInput(zone(), nargs + 1, ref);
   node->InsertInput(zone(), nargs + 2, arity);
   node->set_op(common()->Call(desc));
 }
 
 
 void JSGenericLowering::LowerJSUnaryNot(Node* node) {
+  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable = CodeFactory::ToBoolean(
       isolate(), ToBooleanStub::RESULT_AS_INVERSE_ODDBALL);
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   ReplaceWithStubCall(node, callable,
                       CallDescriptor::kPatchableCallSite | flags);
 }
 
 
 void JSGenericLowering::LowerJSTypeOf(Node* node) {
+  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable = CodeFactory::Typeof(isolate());
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   ReplaceWithStubCall(node, callable, flags);
 }
 
 
 void JSGenericLowering::LowerJSToBoolean(Node* node) {
+  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable =
       CodeFactory::ToBoolean(isolate(), ToBooleanStub::RESULT_AS_ODDBALL);
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   ReplaceWithStubCall(node, callable,
                       CallDescriptor::kPatchableCallSite | flags);
 }
 
 
 void JSGenericLowering::LowerJSToNumber(Node* node) {
+  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   Callable callable = CodeFactory::ToNumber(isolate());
-  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   ReplaceWithStubCall(node, callable, flags);
 }
 
 
 void JSGenericLowering::LowerJSToString(Node* node) {
   ReplaceWithBuiltinCall(node, Builtins::TO_STRING, 1);
 }
 
 
 void JSGenericLowering::LowerJSToName(Node* node) {
@@ skipping 53 matching lines @@
   node->InsertInput(zone(), 4, jsgraph()->SmiConstant(language_mode));
 }
 
 
 void JSGenericLowering::LowerJSHasProperty(Node* node) {
   ReplaceWithBuiltinCall(node, Builtins::IN, 2);
 }
 
 
 void JSGenericLowering::LowerJSInstanceOf(Node* node) {
-  InstanceofStub::Flags flags = static_cast<InstanceofStub::Flags>(
+  CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
+  InstanceofStub::Flags stub_flags = static_cast<InstanceofStub::Flags>(
       InstanceofStub::kReturnTrueFalseObject |
       InstanceofStub::kArgsInRegisters);
-  InstanceofStub stub(isolate(), flags);
-  CallInterfaceDescriptor d = stub.GetCallInterfaceDescriptor();
-  CallDescriptor::Flags desc_flags = AdjustFrameStatesForCall(node);
-  CallDescriptor* desc =
-      Linkage::GetStubCallDescriptor(isolate(), zone(), d, 0, desc_flags);
-  Node* stub_code = jsgraph()->HeapConstant(stub.GetCode());
-  node->InsertInput(zone(), 0, stub_code);
-  node->set_op(common()->Call(desc));
+  Callable callable = CodeFactory::Instanceof(isolate(), stub_flags);
+  ReplaceWithStubCall(node, callable, flags);
 }
 
 
 void JSGenericLowering::LowerJSLoadContext(Node* node) {
   const ContextAccess& access = ContextAccessOf(node->op());
   for (size_t i = 0; i < access.depth(); ++i) {
     node->ReplaceInput(
         0, graph()->NewNode(machine()->Load(kMachAnyTagged),
                             NodeProperties::GetValueInput(node, 0),
                             jsgraph()->Int32Constant(
@@ skipping 381 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8