[turbofan] Introduce proper CreateLiteralParameters.

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/runtime/runtime.h"
 
 namespace v8 {
@@ skipping 385 matching lines @@
 bool operator==(CreateClosureParameters const&, CreateClosureParameters const&);
 bool operator!=(CreateClosureParameters const&, CreateClosureParameters const&);
 
 size_t hash_value(CreateClosureParameters const&);
 
 std::ostream& operator<<(std::ostream&, CreateClosureParameters const&);
 
 const CreateClosureParameters& CreateClosureParametersOf(const Operator* op);
 
 
+// Defines shared information for the literal that should be created. This is
+// used as parameter by JSCreateLiteralArray and JSCreateLiteralObject
+// operators.
+class CreateLiteralParameters final {
+ public:
+  CreateLiteralParameters(Handle<FixedArray> constants, int flags, int index)
+      : constants_(constants), flags_(flags), index_(index) {}
+
+  Handle<FixedArray> constants() const { return constants_; }
+  int flags() const { return flags_; }
+  int index() const { return index_; }
+
+ private:
+  Handle<FixedArray> const constants_;
+  int const flags_;
+  int const index_;
+};
+
+bool operator==(CreateLiteralParameters const&, CreateLiteralParameters const&);
+bool operator!=(CreateLiteralParameters const&, CreateLiteralParameters const&);
+
+size_t hash_value(CreateLiteralParameters const&);
+
+std::ostream& operator<<(std::ostream&, CreateLiteralParameters const&);
+
+const CreateLiteralParameters& CreateLiteralParametersOf(const Operator* op);
+
+
 // Interface for building JavaScript-level operators, e.g. directly from the
 // AST. Most operators have no parameters, thus can be globally shared for all
 // graphs.
 class JSOperatorBuilder final : public ZoneObject {
  public:
   explicit JSOperatorBuilder(Zone* zone);
 
   const Operator* Equal();
   const Operator* NotEqual();
   const Operator* StrictEqual();
@@ skipping 21 matching lines @@
   const Operator* ToName();
   const Operator* ToObject();
   const Operator* Yield();
 
   const Operator* Create();
   const Operator* CreateArguments(CreateArgumentsParameters::Type type,
                                   int start_index);
   const Operator* CreateArray(size_t arity, Handle<AllocationSite> site);
   const Operator* CreateClosure(Handle<SharedFunctionInfo> shared_info,
                                 PretenureFlag pretenure);
-  const Operator* CreateLiteralArray(int literal_flags);
-  const Operator* CreateLiteralObject(int literal_flags);
+  const Operator* CreateLiteralArray(Handle<FixedArray> constant_elements,
+                                     int literal_flags, int literal_index);
+  const Operator* CreateLiteralObject(Handle<FixedArray> constant_properties,
+                                      int literal_flags, int literal_index);
 
   const Operator* CallFunction(
       size_t arity, LanguageMode language_mode,
       VectorSlotPair const& feedback = VectorSlotPair(),
       ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
       TailCallMode tail_call_mode = TailCallMode::kDisallow);
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
   const Operator* CallConstruct(size_t arity, VectorSlotPair const& feedback);
 
   const Operator* ConvertReceiver(ConvertReceiverMode convert_mode);
@@ skipping 54 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_