[turbofan] Type feedback for numeric comparisons.

src/compiler/typer.cc

 // Copyright 2014 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.
 
 #include "src/compiler/typer.h"
 
 #include "src/base/flags.h"
 #include "src/bootstrapper.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/common-operator.h"
@@ skipping 859 matching lines @@
 Type* Typer::Visitor::JSLessThanOrEqualTyper(Type* lhs, Type* rhs, Typer* t) {
   return FalsifyUndefined(Invert(JSCompareTyper(rhs, lhs, t), t), t);
 }
 
 
 Type* Typer::Visitor::JSGreaterThanOrEqualTyper(
     Type* lhs, Type* rhs, Typer* t) {
   return FalsifyUndefined(Invert(JSCompareTyper(lhs, rhs, t), t), t);
 }
 
-
 // JS bitwise operators.
 
 
 Type* Typer::Visitor::JSBitwiseOrTyper(Type* lhs, Type* rhs, Typer* t) {
   lhs = NumberToInt32(ToNumber(lhs, t), t);
   rhs = NumberToInt32(ToNumber(rhs, t), t);
   double lmin = lhs->Min();
   double rmin = rhs->Min();
   double lmax = lhs->Max();
   double rmax = rhs->Max();
@@ skipping 820 matching lines @@
 }
 
 Type* Typer::Visitor::TypeNumberEqual(Node* node) { return Type::Boolean(); }
 
 Type* Typer::Visitor::TypeNumberLessThan(Node* node) { return Type::Boolean(); }
 
 Type* Typer::Visitor::TypeNumberLessThanOrEqual(Node* node) {
   return Type::Boolean();
 }
 
+Type* Typer::Visitor::TypeSpeculativeNumberEqual(Node* node) {
+  return Type::Boolean();
+}
+
+Type* Typer::Visitor::TypeSpeculativeNumberLessThan(Node* node) {
+  return Type::Boolean();
+}
+
+Type* Typer::Visitor::TypeSpeculativeNumberLessThanOrEqual(Node* node) {
+  return Type::Boolean();
+}
+
 Type* Typer::Visitor::TypeNumberAdd(Node* node) { return Type::Number(); }
 
 Type* Typer::Visitor::TypeNumberSubtract(Node* node) { return Type::Number(); }
 
 Type* Typer::Visitor::TypeSpeculativeNumberAdd(Node* node) {
   return Type::Number();
 }
 
 Type* Typer::Visitor::TypeSpeculativeNumberSubtract(Node* node) {
   return Type::Number();
@@ skipping 911 matching lines @@
   }
   if (Type::IsInteger(*value)) {
     return Type::Range(value->Number(), value->Number(), zone());
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8