[turbofan] Also allow TaggedSigned/Pointer memory operand.

src/compiler/x64/instruction-selector-x64.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 <algorithm>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
@@ skipping 42 matching lines @@
       return false;
     }
     if (effect_level != selector()->GetEffectLevel(input)) {
       return false;
     }
     MachineRepresentation rep =
         LoadRepresentationOf(input->op()).representation();
     switch (opcode) {
       case kX64Cmp:
       case kX64Test:
-        return rep == MachineRepresentation::kWord64 ||
-               rep == MachineRepresentation::kTagged;
+        return rep == MachineRepresentation::kWord64 || IsAnyTagged(rep);
       case kX64Cmp32:
       case kX64Test32:
         return rep == MachineRepresentation::kWord32;
       case kX64Cmp16:
       case kX64Test16:
         return rep == MachineRepresentation::kWord16;
       case kX64Cmp8:
       case kX64Test8:
         return rep == MachineRepresentation::kWord8;
       default:
@@ skipping 2217 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8