[turbofan] Type feedback for numeric comparisons.

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"
 
@@ skipping 358 matching lines @@
 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);
 
 const BinaryOperationHints& BinaryOperationHintsOf(const Operator* op);
 
+const CompareOperationHints& CompareOperationHintsOf(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();
-  const Operator* StrictNotEqual();
-  const Operator* LessThan();
-  const Operator* GreaterThan();
-  const Operator* LessThanOrEqual();
-  const Operator* GreaterThanOrEqual();
+  const Operator* Equal(CompareOperationHints hints);
+  const Operator* NotEqual(CompareOperationHints hints);
+  const Operator* StrictEqual(CompareOperationHints hints);
+  const Operator* StrictNotEqual(CompareOperationHints hints);
+  const Operator* LessThan(CompareOperationHints hints);
+  const Operator* GreaterThan(CompareOperationHints hints);
+  const Operator* LessThanOrEqual(CompareOperationHints hints);
+  const Operator* GreaterThanOrEqual(CompareOperationHints hints);
   const Operator* BitwiseOr(BinaryOperationHints hints);
   const Operator* BitwiseXor(BinaryOperationHints hints);
   const Operator* BitwiseAnd(BinaryOperationHints hints);
   const Operator* ShiftLeft(BinaryOperationHints hints);
   const Operator* ShiftRight(BinaryOperationHints hints);
   const Operator* ShiftRightLogical(BinaryOperationHints hints);
   const Operator* Add(BinaryOperationHints hints);
   const Operator* Subtract(BinaryOperationHints hints);
   const Operator* Multiply(BinaryOperationHints hints);
   const Operator* Divide(BinaryOperationHints hints);
@@ skipping 89 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_