[turbofan] Add binary operation hints for javascript operators.

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/compiler/type-hints.h"
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // Forward declarations.
 class Operator;
 struct JSOperatorGlobalCache;
 
@@ skipping 29 matching lines @@
 
 
 // Defines whether tail call optimization is allowed.
 enum class TailCallMode : unsigned { kAllow, kDisallow };
 
 size_t hash_value(TailCallMode);
 
 std::ostream& operator<<(std::ostream&, TailCallMode);
 
 
+// Defines the language mode and hints for a JavaScript binary operations.
+// This is used as parameter by JSAdd, JSSubtract, etc. operators.
+class BinaryOperationParameters final {
+ public:
+  BinaryOperationParameters(LanguageMode language_mode,
+                            BinaryOperationHints hints)
+      : language_mode_(language_mode), hints_(hints) {}
+
+  LanguageMode language_mode() const { return language_mode_; }
+  BinaryOperationHints hints() const { return hints_; }
+
+ private:
+  LanguageMode const language_mode_;
+  BinaryOperationHints const hints_;
+};
+
+bool operator==(BinaryOperationParameters const&,
+                BinaryOperationParameters const&);
+bool operator!=(BinaryOperationParameters const&,
+                BinaryOperationParameters const&);
+
+size_t hash_value(BinaryOperationParameters const&);
+
+std::ostream& operator<<(std::ostream&, BinaryOperationParameters const&);
+
+BinaryOperationParameters const& BinaryOperationParametersOf(Operator const*);
+
+
 // Defines the arity and the feedback for a JavaScript constructor call. This is
 // used as a parameter by JSCallConstruct operators.
 class CallConstructParameters final {
  public:
   CallConstructParameters(size_t arity, VectorSlotPair const& feedback)
       : arity_(arity), feedback_(feedback) {}
 
   size_t arity() const { return arity_; }
   VectorSlotPair const& feedback() const { return feedback_; }
 
@@ skipping 372 matching lines @@
   explicit JSOperatorBuilder(Zone* zone);
 
   const Operator* Equal();
   const Operator* NotEqual();
   const Operator* StrictEqual();
   const Operator* StrictNotEqual();
   const Operator* LessThan(LanguageMode language_mode);
   const Operator* GreaterThan(LanguageMode language_mode);
   const Operator* LessThanOrEqual(LanguageMode language_mode);
   const Operator* GreaterThanOrEqual(LanguageMode language_mode);
-  const Operator* BitwiseOr(LanguageMode language_mode);
-  const Operator* BitwiseXor(LanguageMode language_mode);
-  const Operator* BitwiseAnd(LanguageMode language_mode);
-  const Operator* ShiftLeft(LanguageMode language_mode);
-  const Operator* ShiftRight(LanguageMode language_mode);
-  const Operator* ShiftRightLogical(LanguageMode language_mode);
-  const Operator* Add(LanguageMode language_mode);
-  const Operator* Subtract(LanguageMode language_mode);
-  const Operator* Multiply(LanguageMode language_mode);
-  const Operator* Divide(LanguageMode language_mode);
-  const Operator* Modulus(LanguageMode language_mode);
+  const Operator* BitwiseOr(LanguageMode language_mode,
+                            BinaryOperationHints hints);
+  const Operator* BitwiseXor(LanguageMode language_mode,
+                             BinaryOperationHints hints);
+  const Operator* BitwiseAnd(LanguageMode language_mode,
+                             BinaryOperationHints hints);
+  const Operator* ShiftLeft(LanguageMode language_mode,
+                            BinaryOperationHints hints);
+  const Operator* ShiftRight(LanguageMode language_mode,
+                             BinaryOperationHints hints);
+  const Operator* ShiftRightLogical(LanguageMode language_mode,
+                                    BinaryOperationHints hints);
+  const Operator* Add(LanguageMode language_mode, BinaryOperationHints hints);
+  const Operator* Subtract(LanguageMode language_mode,
+                           BinaryOperationHints hints);
+  const Operator* Multiply(LanguageMode language_mode,
+                           BinaryOperationHints hints);
+  const Operator* Divide(LanguageMode language_mode,
+                         BinaryOperationHints hints);
+  const Operator* Modulus(LanguageMode language_mode,
+                          BinaryOperationHints hints);
 
   const Operator* UnaryNot();
   const Operator* ToBoolean();
   const Operator* ToNumber();
   const Operator* ToString();
   const Operator* ToName();
   const Operator* ToObject();
   const Operator* Yield();
 
   const Operator* Create();
@@ skipping 73 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_