More simplifications.

llvm-svn: 102447

Author: d0k

clang/lib/AST/ASTContext.cpp

@@ -781,9 +781,7 @@ void ASTContext::CollectInheritedProtocols(const Decl *CDecl,
         CollectInheritedProtocols(SD, Protocols);
         SD = SD->getSuperClass();
       }
-    return;
-  }
-  if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) {
+  } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) {
     for (ObjCInterfaceDecl::protocol_iterator P = OC->protocol_begin(),
          PE = OC->protocol_end(); P != PE; ++P) {
       ObjCProtocolDecl *Proto = (*P);
@@ -792,9 +790,7 @@ void ASTContext::CollectInheritedProtocols(const Decl *CDecl,
            PE = Proto->protocol_end(); P != PE; ++P)
         CollectInheritedProtocols(*P, Protocols);
     }
-    return;
-  }
-  if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) {
+  } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) {
     for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(),
          PE = OP->protocol_end(); P != PE; ++P) {
       ObjCProtocolDecl *Proto = (*P);
@@ -803,26 +799,20 @@ void ASTContext::CollectInheritedProtocols(const Decl *CDecl,
            PE = Proto->protocol_end(); P != PE; ++P)
         CollectInheritedProtocols(*P, Protocols);
     }
-    return;
   }
 }
 
 unsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) {
   unsigned count = 0;  
   // Count ivars declared in class extension.
-  if (const ObjCCategoryDecl *CDecl = OI->getClassExtension()) {
-    for (ObjCCategoryDecl::ivar_iterator I = CDecl->ivar_begin(),
-         E = CDecl->ivar_end(); I != E; ++I) {
-      ++count;
-    }
-  }
-  
+  if (const ObjCCategoryDecl *CDecl = OI->getClassExtension())
+    count += CDecl->ivar_size();
+
   // Count ivar defined in this class's implementation.  This
   // includes synthesized ivars.
   if (ObjCImplementationDecl *ImplDecl = OI->getImplementation())
-    for (ObjCImplementationDecl::ivar_iterator I = ImplDecl->ivar_begin(),
-         E = ImplDecl->ivar_end(); I != E; ++I)
-      ++count;
+    count += ImplDecl->ivar_size();
+
   return count;
 }