[turbofan] Remove unused Type parameter from ReferenceEqual.

src/compiler/simplified-operator.cc

 // Copyright 2012 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/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/types.h"
@@ skipping 408 matching lines @@
   V(ChangeTaggedToBit, Operator::kNoProperties, 1, 0)         \
   V(ChangeBitToTagged, Operator::kNoProperties, 1, 0)         \
   V(TruncateTaggedToWord32, Operator::kNoProperties, 1, 0)    \
   V(TruncateTaggedToFloat64, Operator::kNoProperties, 1, 0)   \
   V(ObjectIsCallable, Operator::kNoProperties, 1, 0)          \
   V(ObjectIsNumber, Operator::kNoProperties, 1, 0)            \
   V(ObjectIsReceiver, Operator::kNoProperties, 1, 0)          \
   V(ObjectIsSmi, Operator::kNoProperties, 1, 0)               \
   V(ObjectIsString, Operator::kNoProperties, 1, 0)            \
   V(ObjectIsUndetectable, Operator::kNoProperties, 1, 0)      \
+  V(ReferenceEqual, Operator::kCommutative, 2, 0)             \
   V(StringEqual, Operator::kCommutative, 2, 0)                \
   V(StringLessThan, Operator::kNoProperties, 2, 0)            \
   V(StringLessThanOrEqual, Operator::kNoProperties, 2, 0)
 
 #define SPECULATIVE_NUMBER_BINOP_LIST(V)      \
   SIMPLIFIED_SPECULATIVE_NUMBER_BINOP_LIST(V) \
   V(SpeculativeNumberEqual)                   \
   V(SpeculativeNumberLessThan)                \
   V(SpeculativeNumberLessThanOrEqual)
 
@@ skipping 271 matching lines @@
   switch (mode) {
     case CheckTaggedHoleMode::kConvertHoleToUndefined:
       return &cache_.kCheckTaggedHoleConvertHoleToUndefinedOperator;
     case CheckTaggedHoleMode::kNeverReturnHole:
       return &cache_.kCheckTaggedHoleNeverReturnHoleOperator;
   }
   UNREACHABLE();
   return nullptr;
 }
 
-const Operator* SimplifiedOperatorBuilder::ReferenceEqual(Type* type) {
-  return new (zone()) Operator(IrOpcode::kReferenceEqual,
-                               Operator::kCommutative | Operator::kPure,
-                               "ReferenceEqual", 2, 0, 0, 1, 0, 0);
-}
-
 const Operator* SimplifiedOperatorBuilder::EnsureWritableFastElements() {
   return &cache_.kEnsureWritableFastElements;
 }
 
 const Operator* SimplifiedOperatorBuilder::MaybeGrowFastElements(
     GrowFastElementsFlags flags) {
   return new (zone()) Operator1<GrowFastElementsFlags>(  // --
       IrOpcode::kMaybeGrowFastElements,                  // opcode
       Operator::kNoThrow,                                // flags
       "MaybeGrowFastElements",                           // name
@@ skipping 82 matching lines @@
                         Operator::kNoDeopt | Operator::kNoThrow | properties,  \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8