[lldb] Remove some dead code in TypeSystemClang (NFC) (#142056)

Author: kastiglione

lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp

@@ -5302,16 +5302,12 @@ lldb::Format TypeSystemClang::GetFormat(lldb::opaque_compiler_type_t type) {
   return lldb::eFormatBytes;
 }
 
-static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl,
-                             bool check_superclass) {
+static bool ObjCDeclHasIVars(clang::ObjCInterfaceDecl *class_interface_decl) {
   while (class_interface_decl) {
     if (class_interface_decl->ivar_size() > 0)
       return true;
 
-    if (check_superclass)
-      class_interface_decl = class_interface_decl->getSuperClass();
-    else
-      break;
+    class_interface_decl = class_interface_decl->getSuperClass();
   }
   return false;
 }
@@ -5386,7 +5382,7 @@ TypeSystemClang::GetNumChildren(lldb::opaque_compiler_type_t type,
               class_interface_decl->getSuperClass();
           if (superclass_interface_decl) {
             if (omit_empty_base_classes) {
-              if (ObjCDeclHasIVars(superclass_interface_decl, true))
+              if (ObjCDeclHasIVars(superclass_interface_decl))
                 ++num_children;
             } else
               ++num_children;
@@ -6840,7 +6836,7 @@ size_t TypeSystemClang::GetIndexOfChildMemberWithName(
               if (ivar_decl->getName() == name_sref) {
                 if ((!omit_empty_base_classes && superclass_interface_decl) ||
                     (omit_empty_base_classes &&
-                     ObjCDeclHasIVars(superclass_interface_decl, true)))
+                     ObjCDeclHasIVars(superclass_interface_decl)))
                   ++child_idx;
 
                 child_indexes.push_back(child_idx);
@@ -6996,7 +6992,7 @@ TypeSystemClang::GetIndexOfChildWithName(lldb::opaque_compiler_type_t type,
               if (ivar_decl->getName() == name) {
                 if ((!omit_empty_base_classes && superclass_interface_decl) ||
                     (omit_empty_base_classes &&
-                     ObjCDeclHasIVars(superclass_interface_decl, true)))
+                     ObjCDeclHasIVars(superclass_interface_decl)))
                   ++child_idx;
 
                 return child_idx;
@@ -8117,14 +8113,6 @@ bool TypeSystemClang::AddObjCClassProperty(
   return true;
 }
 
-bool TypeSystemClang::IsObjCClassTypeAndHasIVars(const CompilerType &type,
-                                                 bool check_superclass) {
-  clang::ObjCInterfaceDecl *class_interface_decl = GetAsObjCInterfaceDecl(type);
-  if (class_interface_decl)
-    return ObjCDeclHasIVars(class_interface_decl, check_superclass);
-  return false;
-}
-
 clang::ObjCMethodDecl *TypeSystemClang::AddMethodToObjCObjectType(
     const CompilerType &type,
     const char *name, // the full symbol name as seen in the symbol table

lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.h

@@ -687,9 +687,6 @@ class TypeSystemClang : public TypeSystem {
 
   static bool IsObjCClassType(const CompilerType &type);
 
-  static bool IsObjCClassTypeAndHasIVars(const CompilerType &type,
-                                         bool check_superclass);
-
   static bool IsObjCObjectOrInterfaceType(const CompilerType &type);
 
   static bool IsObjCObjectPointerType(const CompilerType &type,