[turbofan] Also consume number type feedback for abstract equality.

src/compiler/representation-change.h

 // 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.
 
 #ifndef V8_COMPILER_REPRESENTATION_CHANGE_H_
 #define V8_COMPILER_REPRESENTATION_CHANGE_H_
 
 #include "src/compiler/js-graph.h"
 #include "src/compiler/simplified-operator.h"
 
@@ skipping 60 matching lines @@
   TruncationKind kind_;
 
   static TruncationKind Generalize(TruncationKind rep1, TruncationKind rep2);
   static bool LessGeneral(TruncationKind rep1, TruncationKind rep2);
 };
 
 enum class TypeCheckKind : uint8_t {
   kNone,
   kSignedSmall,
   kSigned32,
+  kNumber,
   kNumberOrOddball
 };
 
 inline std::ostream& operator<<(std::ostream& os, TypeCheckKind type_check) {
   switch (type_check) {
     case TypeCheckKind::kNone:
       return os << "None";
     case TypeCheckKind::kSignedSmall:
       return os << "SignedSmall";
     case TypeCheckKind::kSigned32:
       return os << "Signed32";
+    case TypeCheckKind::kNumber:
+      return os << "Number";
     case TypeCheckKind::kNumberOrOddball:
       return os << "NumberOrOddball";
   }
   UNREACHABLE();
   return os;
 }
 
 // The {UseInfo} class is used to describe a use of an input of a node.
 //
 // This information is used in two different ways, based on the phase:
@@ skipping 37 matching lines @@
 
   // Possibly deoptimizing conversions.
   static UseInfo CheckedSignedSmallAsWord32() {
     return UseInfo(MachineRepresentation::kWord32, Truncation::Any(),
                    TypeCheckKind::kSignedSmall);
   }
   static UseInfo CheckedSigned32AsWord32() {
     return UseInfo(MachineRepresentation::kWord32, Truncation::Any(),
                    TypeCheckKind::kSigned32);
   }
+  static UseInfo CheckedNumberAsFloat64() {
+    return UseInfo(MachineRepresentation::kFloat64, Truncation::Float64(),
+                   TypeCheckKind::kNumber);
+  }
+  static UseInfo CheckedNumberAsWord32() {
+    return UseInfo(MachineRepresentation::kWord32, Truncation::Word32(),
+                   TypeCheckKind::kNumber);
+  }
   static UseInfo CheckedNumberOrOddballAsFloat64() {
     return UseInfo(MachineRepresentation::kFloat64, Truncation::Any(),
                    TypeCheckKind::kNumberOrOddball);
   }
   static UseInfo CheckedNumberOrOddballAsWord32() {
     return UseInfo(MachineRepresentation::kWord32, Truncation::Word32(),
                    TypeCheckKind::kNumberOrOddball);
   }
 
   // Undetermined representation.
@@ skipping 94 matching lines @@
   Factory* factory() const { return isolate()->factory(); }
   SimplifiedOperatorBuilder* simplified() { return jsgraph()->simplified(); }
   MachineOperatorBuilder* machine() { return jsgraph()->machine(); }
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_REPRESENTATION_CHANGE_H_