diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index b9c1542..f2112eb 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -362,14 +362,15 @@
 }
 void CodeGenModule::EmitObjCProtocolImplementation(const ObjCProtocolDecl *PD){
   llvm::SmallVector<std::string, 16> Protocols;
-  for (unsigned i = 0, e = PD->getNumReferencedProtocols() ; i < e ; i++)
-    Protocols.push_back(PD->getReferencedProtocols()[i]->getName());
+  for (ObjCProtocolDecl::protocol_iterator PI = PD->protocol_begin(),
+       E = PD->protocol_end(); PI != E; ++PI)
+    Protocols.push_back((*PI)->getName());
   llvm::SmallVector<llvm::Constant*, 16> InstanceMethodNames;
   llvm::SmallVector<llvm::Constant*, 16> InstanceMethodTypes;
   for (ObjCProtocolDecl::instmeth_iterator iter = PD->instmeth_begin(),
-      endIter = PD->instmeth_end() ; iter != endIter ; iter++) {
+       E = PD->instmeth_end(); iter != E; iter++) {
     std::string TypeStr;
-    Context.getObjCEncodingForMethodDecl((*iter),TypeStr);
+    Context.getObjCEncodingForMethodDecl(*iter, TypeStr);
     InstanceMethodNames.push_back(
         GetAddrOfConstantString((*iter)->getSelector().getName()));
     InstanceMethodTypes.push_back(GetAddrOfConstantString(TypeStr));