[turbofan] Combine family of CallJS() methods into single implementation.

src/compiler/code-assembler.h

 // 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.
 
 #ifndef V8_COMPILER_CODE_ASSEMBLER_H_
 #define V8_COMPILER_CODE_ASSEMBLER_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 309 matching lines @@
     return CallStubR(descriptor, 1, target, context, args...);
   }
 
   template <class... TArgs>
   Node* CallStubR(const CallInterfaceDescriptor& descriptor, size_t result_size,
                   Node* target, Node* context, TArgs... args);
 
   Node* CallStubN(const CallInterfaceDescriptor& descriptor, size_t result_size,
                   int input_count, Node* const* inputs);
 
-  Node* CallStubN(const CallInterfaceDescriptor& descriptor,
-                  int js_parameter_count, Node* target, Node** args,
-                  size_t result_size = 1);
-  Node* CallStubN(const CallInterfaceDescriptor& descriptor, Node* target,
-                  Node** args, size_t result_size = 1) {
-    return CallStubN(descriptor, 0, target, args, result_size);
-  }
-
   Node* TailCallStub(Callable const& callable, Node* context, Node* arg1,
                      size_t result_size = 1);
   Node* TailCallStub(Callable const& callable, Node* context, Node* arg1,
                      Node* arg2, size_t result_size = 1);
   Node* TailCallStub(Callable const& callable, Node* context, Node* arg1,
                      Node* arg2, Node* arg3, size_t result_size = 1);
   Node* TailCallStub(Callable const& callable, Node* context, Node* arg1,
                      Node* arg2, Node* arg3, Node* arg4,
                      size_t result_size = 1);
   Node* TailCallStub(Callable const& callable, Node* context, Node* arg1,
@@ skipping 15 matching lines @@
                      Node* context, Node* arg1, Node* arg2, Node* arg3,
                      Node* arg4, Node* arg5, size_t result_size = 1);
   Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
                      Node* context, Node* arg1, Node* arg2, Node* arg3,
                      Node* arg4, Node* arg5, Node* arg6,
                      size_t result_size = 1);
 
   Node* TailCallBytecodeDispatch(const CallInterfaceDescriptor& descriptor,
                                  Node* code_target_address, Node** args);
 
+  template <class... TArgs>
   Node* CallJS(Callable const& callable, Node* context, Node* function,
-               Node* receiver, size_t result_size = 1);
-  Node* CallJS(Callable const& callable, Node* context, Node* function,
-               Node* receiver, Node* arg1, size_t result_size = 1);
-  Node* CallJS(Callable const& callable, Node* context, Node* function,
-               Node* receiver, Node* arg1, Node* arg2, size_t result_size = 1);
-  Node* CallJS(Callable const& callable, Node* context, Node* function,
-               Node* receiver, Node* arg1, Node* arg2, Node* arg3,
-               size_t result_size = 1);
+               Node* receiver, TArgs... args) {
+    int argc = static_cast<int>(sizeof...(args));
+    Node* arity = Int32Constant(argc);
+    return CallStub(callable, context, function, arity, receiver, args...);
+  }
 
   // Call to a C function with two arguments.
   Node* CallCFunction2(MachineType return_type, MachineType arg0_type,
                        MachineType arg1_type, Node* function, Node* arg0,
                        Node* arg1);
 
   // Exception handling support.
   void GotoIfException(Node* node, Label* if_exception,
                        Variable* exception_var = nullptr);
 
   // Helpers which delegate to RawMachineAssembler.
   Factory* factory() const;
   Isolate* isolate() const;
   Zone* zone() const;
 
   CodeAssemblerState* state() { return state_; }
 
   void BreakOnNode(int node_id);
 
  protected:
   // Enables subclasses to perform operations before and after a call.
   virtual void CallPrologue();
   virtual void CallEpilogue();
 
  private:
   Node* CallN(CallDescriptor* descriptor, Node* code_target, Node** args);
   Node* TailCallN(CallDescriptor* descriptor, Node* code_target, Node** args);
 
-  void InstallBreakOnNodeDecorator();
-
   RawMachineAssembler* raw_assembler() const;
 
   CodeAssemblerState* state_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeAssembler);
 };
 
 class CodeAssemblerVariable {
  public:
   explicit CodeAssemblerVariable(CodeAssembler* assembler,
@@ skipping 87 matching lines @@
   ZoneSet<CodeAssemblerVariable::Impl*> variables_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeAssemblerState);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_ASSEMBLER_H_