[Turbofan] Add CallFunctionWithSpread JSOperator.

src/compiler/js-operator.h

 // Copyright 2013 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_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/base/compiler-specific.h"
 #include "src/globals.h"
 #include "src/runtime/runtime.h"
@@ skipping 141 matching lines @@
   float const frequency_;
   VectorSlotPair const feedback_;
 };
 
 size_t hash_value(CallFunctionParameters const&);
 
 std::ostream& operator<<(std::ostream&, CallFunctionParameters const&);
 
 const CallFunctionParameters& CallFunctionParametersOf(const Operator* op);
 
+// Defines the arity for a JavaScript constructor call with a spread as the last
+// parameters. This is used as a parameter by JSCallConstructWithSpread
+// operators.
+class CallFunctionWithSpreadParameters final {
+ public:
+  explicit CallFunctionWithSpreadParameters(uint32_t arity) : arity_(arity) {}
+
+  uint32_t arity() const { return arity_; }
+
+ private:
+  uint32_t const arity_;
+};
+
+bool operator==(CallFunctionWithSpreadParameters const&,
+                CallFunctionWithSpreadParameters const&);
+bool operator!=(CallFunctionWithSpreadParameters const&,
+                CallFunctionWithSpreadParameters const&);
+
+size_t hash_value(CallFunctionWithSpreadParameters const&);
+
+std::ostream& operator<<(std::ostream&,
+                         CallFunctionWithSpreadParameters const&);
+
+CallFunctionWithSpreadParameters const& CallFunctionWithSpreadParametersOf(
+    Operator const*);
 
 // Defines the arity and the ID for a runtime function call. This is used as a
 // parameter by JSCallRuntime operators.
 class CallRuntimeParameters final {
  public:
   CallRuntimeParameters(Runtime::FunctionId id, size_t arity)
       : id_(id), arity_(arity) {}
 
   Runtime::FunctionId id() const { return id_; }
   size_t arity() const { return arity_; }
@@ skipping 373 matching lines @@
                                       int literal_flags, int literal_index,
                                       int number_of_properties);
   const Operator* CreateLiteralRegExp(Handle<String> constant_pattern,
                                       int literal_flags, int literal_index);
 
   const Operator* CallFunction(
       size_t arity, float frequency = 0.0f,
       VectorSlotPair const& feedback = VectorSlotPair(),
       ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
       TailCallMode tail_call_mode = TailCallMode::kDisallow);
+  const Operator* CallFunctionWithSpread(uint32_t arity);
   const Operator* CallRuntime(Runtime::FunctionId id);
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
   const Operator* CallRuntime(const Runtime::Function* function, size_t arity);
   const Operator* CallConstruct(uint32_t arity, float frequency,
                                 VectorSlotPair const& feedback);
   const Operator* CallConstructWithSpread(uint32_t arity);
 
   const Operator* ConvertReceiver(ConvertReceiverMode convert_mode);
 
   const Operator* LoadProperty(VectorSlotPair const& feedback);
@@ skipping 60 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_