[turbofan] Cleanup: Type only has a semantic dimension.

src/compiler/representation-change.cc

Index: src/compiler/representation-change.cc
diff --git a/src/compiler/representation-change.cc b/src/compiler/representation-change.cc
index 12c56a727f16dcde95aa44547b8b20ad44185587..22d809b9d676492149d604336de71549576db2e0 100644
--- a/src/compiler/representation-change.cc
+++ b/src/compiler/representation-change.cc
@@ -196,7 +196,7 @@ Node* RepresentationChanger::GetTaggedSignedRepresentationFor(
   }
   // Select the correct X -> Tagged operator.
   const Operator* op;
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->Constant(0);
@@ -293,7 +293,7 @@ Node* RepresentationChanger::GetTaggedPointerRepresentationFor(
       break;
   }
   // Select the correct X -> Tagged operator.
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->TheHoleConstant();
@@ -338,7 +338,7 @@ Node* RepresentationChanger::GetTaggedRepresentationFor(
   }
   // Select the correct X -> Tagged operator.
   const Operator* op;
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->TheHoleConstant();
@@ -414,7 +414,7 @@ Node* RepresentationChanger::GetFloat32RepresentationFor(
   }
   // Select the correct X -> Float32 operator.
   const Operator* op = nullptr;
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->Float32Constant(0.0f);
@@ -484,7 +484,7 @@ Node* RepresentationChanger::GetFloat64RepresentationFor(
   }
   // Select the correct X -> Float64 operator.
   const Operator* op = nullptr;
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->Float64Constant(0.0);
@@ -570,7 +570,7 @@ Node* RepresentationChanger::GetWord32RepresentationFor(
 
   // Select the correct X -> Word32 operator.
   const Operator* op = nullptr;
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->Int32Constant(0);
@@ -692,7 +692,7 @@ Node* RepresentationChanger::GetBitRepresentationFor(
   }
   // Select the correct X -> Bit operator.
   const Operator* op;
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->Int32Constant(0);
@@ -731,7 +731,7 @@ Node* RepresentationChanger::GetBitRepresentationFor(
 
 Node* RepresentationChanger::GetWord64RepresentationFor(
     Node* node, MachineRepresentation output_rep, Type* output_type) {
-  if (Type::Semantic(output_type, jsgraph()->zone())->Is(Type::None())) {
+  if (output_type->Is(Type::None())) {
     // This is an impossible value; it should not be used at runtime.
     // We just provide a dummy value here.
     return jsgraph()->Int64Constant(0);