Reland of [turbofan] Introduce proper JSCreateLiteralRegExp operator.

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 386 matching lines @@
 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.
+// used as parameter by JSCreateLiteralArray, JSCreateLiteralObject and
+// JSCreateLiteralRegExp operators.
 class CreateLiteralParameters final {
  public:
-  CreateLiteralParameters(Handle<FixedArray> constants, int flags, int index)
-      : constants_(constants), flags_(flags), index_(index) {}
+  CreateLiteralParameters(Handle<HeapObject> constant, int flags, int index)
+      : constant_(constant), flags_(flags), index_(index) {}
 
-  Handle<FixedArray> constants() const { return constants_; }
+  Handle<HeapObject> constant() const { return constant_; }
   int flags() const { return flags_; }
   int index() const { return index_; }
 
  private:
-  Handle<FixedArray> const constants_;
+  Handle<HeapObject> const constant_;
   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&);
@@ skipping 39 matching lines @@
   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(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* CreateLiteralRegExp(Handle<String> constant_pattern,
+                                      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_