[turbofan] Remove use of CallFunctionStub from TurboFan.

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 502 matching lines @@
 
 
 void JSGenericLowering::LowerJSCreateScriptContext(Node* node) {
   Handle<ScopeInfo> scope_info = OpParameter<Handle<ScopeInfo>>(node);
   node->InsertInput(zone(), 1, jsgraph()->HeapConstant(scope_info));
   ReplaceWithRuntimeCall(node, Runtime::kNewScriptContext);
 }
 
 
 void JSGenericLowering::LowerJSCallConstruct(Node* node) {
+  // TODO(bmeurer): Use the Construct builtin here.
   int arity = OpParameter<int>(node);
   CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
   CallInterfaceDescriptor d = stub.GetCallInterfaceDescriptor();
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   CallDescriptor* desc =
       Linkage::GetStubCallDescriptor(isolate(), zone(), d, arity - 1, flags);
   Node* stub_code = jsgraph()->HeapConstant(stub.GetCode());
   Node* actual_construct = NodeProperties::GetValueInput(node, 0);
   Node* original_construct = NodeProperties::GetValueInput(node, arity - 1);
   node->RemoveInput(arity - 1);  // Drop original constructor.
   node->InsertInput(zone(), 0, stub_code);
   node->InsertInput(zone(), 1, jsgraph()->Int32Constant(arity - 2));
   node->InsertInput(zone(), 2, actual_construct);
   node->InsertInput(zone(), 3, original_construct);
   node->InsertInput(zone(), 4, jsgraph()->UndefinedConstant());
   NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
 
 void JSGenericLowering::LowerJSCallFunction(Node* node) {
-  const CallFunctionParameters& p = CallFunctionParametersOf(node->op());
-  int arg_count = static_cast<int>(p.arity() - 2);
-  CallFunctionStub stub(isolate(), arg_count, p.flags());
-  CallInterfaceDescriptor d = stub.GetCallInterfaceDescriptor();
+  CallFunctionParameters const& p = CallFunctionParametersOf(node->op());
+  int const arg_count = static_cast<int>(p.arity() - 2);
+  Callable callable = CodeFactory::Call(isolate());
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
-  if (p.AllowTailCalls()) {
+  if (p.tail_call_mode() == TailCallMode::kAllow) {
     flags |= CallDescriptor::kSupportsTailCalls;
   }
   CallDescriptor* desc = Linkage::GetStubCallDescriptor(
-      isolate(), zone(), d, static_cast<int>(p.arity() - 1), flags);
-  Node* stub_code = jsgraph()->HeapConstant(stub.GetCode());
+      isolate(), zone(), callable.descriptor(), arg_count + 1, flags);
+  Node* stub_code = jsgraph()->HeapConstant(callable.code());
+  Node* stub_arity = jsgraph()->Int32Constant(arg_count);
   node->InsertInput(zone(), 0, stub_code);
+  node->InsertInput(zone(), 2, stub_arity);
   NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
 
 void JSGenericLowering::LowerJSCallRuntime(Node* node) {
   const CallRuntimeParameters& p = CallRuntimeParametersOf(node->op());
   AdjustFrameStatesForCall(node);
   ReplaceWithRuntimeCall(node, p.id(), static_cast<int>(p.arity()));
 }
 
@@ skipping 264 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8