Skip the CallFunctionStub when the callee function can be statically determined.

src/compiler/raw-machine-assembler.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/compiler/pipeline.h"
 #include "src/compiler/raw-machine-assembler.h"
 #include "src/compiler/scheduler.h"
 
 namespace v8 {
@@ skipping 81 matching lines @@
   Node* stub_code = HeapConstant(callable.code());
   Node* call = graph()->NewNode(common()->Call(desc), stub_code, function,
                                 receiver, context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
 Node* RawMachineAssembler::CallJS0(Node* function, Node* receiver,
                                    Node* context, Node* frame_state) {
-  CallDescriptor* descriptor = Linkage::GetJSCallDescriptor(1, zone());
+  CallDescriptor* descriptor =
+      Linkage::GetJSCallDescriptor(1, zone(), CallDescriptor::kNeedsFrameState);
   Node* call = graph()->NewNode(common()->Call(descriptor), function, receiver,
                                 context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
 Node* RawMachineAssembler::CallRuntime1(Runtime::FunctionId function,
                                         Node* arg0, Node* context,
                                         Node* frame_state) {
@@ skipping 45 matching lines @@
   Node* node = graph()->NewNode(op, input_count, inputs, incomplete);
   BasicBlock* block = op->opcode() == IrOpcode::kParameter ? schedule()->start()
                                                            : CurrentBlock();
   schedule()->AddNode(block, node);
   return node;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8