diff --git a/test/unittests/compiler/simplified-operator-unittest.cc b/test/unittests/compiler/simplified-operator-unittest.cc
index bd8509f..ba404a9 100644
--- a/test/unittests/compiler/simplified-operator-unittest.cc
+++ b/test/unittests/compiler/simplified-operator-unittest.cc
@@ -31,7 +31,6 @@
   return os << IrOpcode::Mnemonic(pop.opcode);
 }
 
-
 const PureOperator kPureOperators[] = {
 #define PURE(Name, properties, input_count)              \
   {                                                      \
@@ -56,15 +55,16 @@
     PURE(NumberShiftRightLogical, Operator::kNoProperties, 2),
     PURE(NumberToInt32, Operator::kNoProperties, 1),
     PURE(NumberToUint32, Operator::kNoProperties, 1),
-    PURE(PlainPrimitiveToNumber, Operator::kNoProperties, 1),
+    PURE(ChangeTaggedSignedToInt32, Operator::kNoProperties, 1),
     PURE(ChangeTaggedToInt32, Operator::kNoProperties, 1),
     PURE(ChangeTaggedToUint32, Operator::kNoProperties, 1),
     PURE(ChangeTaggedToFloat64, Operator::kNoProperties, 1),
     PURE(ChangeInt32ToTagged, Operator::kNoProperties, 1),
     PURE(ChangeUint32ToTagged, Operator::kNoProperties, 1),
     PURE(ChangeFloat64ToTagged, Operator::kNoProperties, 1),
-    PURE(ChangeBoolToBit, Operator::kNoProperties, 1),
-    PURE(ChangeBitToBool, Operator::kNoProperties, 1),
+    PURE(ChangeTaggedToBit, Operator::kNoProperties, 1),
+    PURE(ChangeBitToTagged, Operator::kNoProperties, 1),
+    PURE(TruncateTaggedToWord32, Operator::kNoProperties, 1),
     PURE(ObjectIsNumber, Operator::kNoProperties, 1),
     PURE(ObjectIsReceiver, Operator::kNoProperties, 1),
     PURE(ObjectIsSmi, Operator::kNoProperties, 1)
@@ -203,39 +203,46 @@
 
 const ElementAccess kElementAccesses[] = {
     {kTaggedBase, FixedArray::kHeaderSize, Type::Any(),
-     MachineType::AnyTagged()},
-    {kUntaggedBase, 0, Type::Any(), MachineType::Int8()},
-    {kUntaggedBase, 0, Type::Any(), MachineType::Int16()},
-    {kUntaggedBase, 0, Type::Any(), MachineType::Int32()},
-    {kUntaggedBase, 0, Type::Any(), MachineType::Uint8()},
-    {kUntaggedBase, 0, Type::Any(), MachineType::Uint16()},
-    {kUntaggedBase, 0, Type::Any(), MachineType::Uint32()},
-    {kUntaggedBase, 0, Type::Signed32(), MachineType::Int8()},
-    {kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint8()},
-    {kUntaggedBase, 0, Type::Signed32(), MachineType::Int16()},
-    {kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint16()},
-    {kUntaggedBase, 0, Type::Signed32(), MachineType::Int32()},
-    {kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint32()},
+     MachineType::AnyTagged(), kFullWriteBarrier},
+    {kUntaggedBase, 0, Type::Any(), MachineType::Int8(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Any(), MachineType::Int16(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Any(), MachineType::Int32(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Any(), MachineType::Uint8(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Any(), MachineType::Uint16(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Any(), MachineType::Uint32(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Signed32(), MachineType::Int8(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint8(),
+     kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Signed32(), MachineType::Int16(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint16(),
+     kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Signed32(), MachineType::Int32(), kNoWriteBarrier},
+    {kUntaggedBase, 0, Type::Unsigned32(), MachineType::Uint32(),
+     kNoWriteBarrier},
     {kUntaggedBase, 0, Type::Number(),
-     MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone)},
+     MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone),
+     kNoWriteBarrier},
     {kUntaggedBase, 0, Type::Number(),
-     MachineType(MachineRepresentation::kFloat64, MachineSemantic::kNone)},
+     MachineType(MachineRepresentation::kFloat64, MachineSemantic::kNone),
+     kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Signed32(),
-     MachineType::Int8()},
+     MachineType::Int8(), kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Unsigned32(),
-     MachineType::Uint8()},
+     MachineType::Uint8(), kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Signed32(),
-     MachineType::Int16()},
+     MachineType::Int16(), kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Unsigned32(),
-     MachineType::Uint16()},
+     MachineType::Uint16(), kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Signed32(),
-     MachineType::Int32()},
+     MachineType::Int32(), kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Unsigned32(),
-     MachineType::Uint32()},
+     MachineType::Uint32(), kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Number(),
-     MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone)},
+     MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone),
+     kNoWriteBarrier},
     {kTaggedBase, FixedTypedArrayBase::kDataOffset, Type::Number(),
-     MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone)}};
+     MachineType(MachineRepresentation::kFloat32, MachineSemantic::kNone),
+     kNoWriteBarrier}};
 
 }  // namespace