[turbofan] Improve NumberAbs lowering for Signed32 input.

src/compiler/simplified-lowering.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/simplified-lowering.h"
 
 #include <limits>
 
 #include "src/address-map.h"
 #include "src/base/bits.h"
@@ skipping 1585 matching lines @@
         if (lower()) {
           lowering->DoShift(node, lowering->machine()->Word32Shr(), rhs_type);
         }
         return;
       }
       case IrOpcode::kNumberAbs: {
         if (InputIs(node, Type::Unsigned32())) {
           VisitUnop(node, UseInfo::TruncatingWord32(),
                     MachineRepresentation::kWord32);
           if (lower()) DeferReplacement(node, node->InputAt(0));
-        } else if (InputIs(node, type_cache_.kSafeSigned32)) {
+        } else if (InputIs(node, Type::Signed32())) {
           VisitUnop(node, UseInfo::TruncatingWord32(),
                     MachineRepresentation::kWord32);
           if (lower()) DeferReplacement(node, lowering->Int32Abs(node));
         } else if (InputIs(node,
                            type_cache_.kPositiveIntegerOrMinusZeroOrNaN)) {
           VisitUnop(node, UseInfo::TruncatingFloat64(),
                     MachineRepresentation::kFloat64);
           if (lower()) DeferReplacement(node, node->InputAt(0));
         } else {
           VisitUnop(node, UseInfo::TruncatingFloat64(),
@@ skipping 1668 matching lines @@
         isolate(), graph()->zone(), callable.descriptor(), 0, flags,
         Operator::kNoProperties);
     to_number_operator_.set(common()->Call(desc));
   }
   return to_number_operator_.get();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8