[turbofan] Combine family of TailCallStub() 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* 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,
-                     Node* arg2, Node* arg3, Node* arg4, Node* arg5,
-                     size_t result_size = 1);
+  template <class... TArgs>
+  Node* TailCallStub(Callable const& callable, Node* context, TArgs... args) {
+    Node* target = HeapConstant(callable.code());
+    return TailCallStub(callable.descriptor(), target, context, args...);
+  }
 
+  template <class... TArgs>
   Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     Node* context, Node* arg1, size_t result_size = 1);
-  Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     Node* context, Node* arg1, Node* arg2,
-                     size_t result_size = 1);
-  Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     Node* context, Node* arg1, Node* arg2, Node* arg3,
-                     size_t result_size = 1);
-  Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     Node* context, Node* arg1, Node* arg2, Node* arg3,
-                     Node* arg4, size_t result_size = 1);
-  Node* TailCallStub(const CallInterfaceDescriptor& descriptor, Node* target,
-                     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* context, TArgs... args);
 
   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, TArgs... args) {
     int argc = static_cast<int>(sizeof...(args));
     Node* arity = Int32Constant(argc);
     return CallStub(callable, context, function, arity, receiver, args...);
@@ skipping 126 matching lines @@
   ZoneSet<CodeAssemblerVariable::Impl*> variables_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeAssemblerState);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_ASSEMBLER_H_