diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 776c27c..cba9e15 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -164,8 +164,7 @@
   }
   
   // The prototype is something that takes and returns whatever V's type is.
-  llvm::Type *ArgTys[] = { V->getType() };
-  llvm::FunctionType *FT = llvm::FunctionType::get(V->getType(), ArgTys,
+  llvm::FunctionType *FT = llvm::FunctionType::get(V->getType(), V->getType(),
                                                    false);
   llvm::Value *Fn = CGF.CGM.CreateRuntimeFunction(FT, FnName);
 
diff --git a/lib/CodeGen/CGDeclCXX.cpp b/lib/CodeGen/CGDeclCXX.cpp
index f9f5e86..85f0e35 100644
--- a/lib/CodeGen/CGDeclCXX.cpp
+++ b/lib/CodeGen/CGDeclCXX.cpp
@@ -126,10 +126,9 @@
   }
 
   // Get the destructor function type
-  llvm::Type *ArgTys[] = { Int8PtrTy };
   llvm::Type *DtorFnTy =
     llvm::FunctionType::get(llvm::Type::getVoidTy(getLLVMContext()),
-                            ArgTys, false);
+                            Int8PtrTy, false);
   DtorFnTy = llvm::PointerType::getUnqual(DtorFnTy);
 
   llvm::Type *Params[] = { DtorFnTy, Int8PtrTy, Int8PtrTy };
diff --git a/lib/CodeGen/CGException.cpp b/lib/CodeGen/CGException.cpp
index fd2684c..46d127c 100644
--- a/lib/CodeGen/CGException.cpp
+++ b/lib/CodeGen/CGException.cpp
@@ -29,9 +29,8 @@
 static llvm::Constant *getAllocateExceptionFn(CodeGenFunction &CGF) {
   // void *__cxa_allocate_exception(size_t thrown_size);
 
-  llvm::Type *ArgTys[] = { CGF.SizeTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(CGF.Int8PtrTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(CGF.Int8PtrTy, CGF.SizeTy, /*IsVarArgs=*/false);
 
   return CGF.CGM.CreateRuntimeFunction(FTy, "__cxa_allocate_exception");
 }
@@ -39,9 +38,8 @@
 static llvm::Constant *getFreeExceptionFn(CodeGenFunction &CGF) {
   // void __cxa_free_exception(void *thrown_exception);
 
-  llvm::Type *ArgTys[] = { CGF.Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(CGF.VoidTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(CGF.VoidTy, CGF.Int8PtrTy, /*IsVarArgs=*/false);
 
   return CGF.CGM.CreateRuntimeFunction(FTy, "__cxa_free_exception");
 }
@@ -69,9 +67,8 @@
 static llvm::Constant *getGetExceptionPtrFn(CodeGenFunction &CGF) {
   // void *__cxa_get_exception_ptr(void*);
 
-  llvm::Type *ArgTys[] = { CGF.Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(CGF.Int8PtrTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(CGF.Int8PtrTy, CGF.Int8PtrTy, /*IsVarArgs=*/false);
 
   return CGF.CGM.CreateRuntimeFunction(FTy, "__cxa_get_exception_ptr");
 }
@@ -79,9 +76,8 @@
 static llvm::Constant *getBeginCatchFn(CodeGenFunction &CGF) {
   // void *__cxa_begin_catch(void*);
 
-  llvm::Type *ArgTys[] = { CGF.Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(CGF.Int8PtrTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(CGF.Int8PtrTy, CGF.Int8PtrTy, /*IsVarArgs=*/false);
 
   return CGF.CGM.CreateRuntimeFunction(FTy, "__cxa_begin_catch");
 }
@@ -98,17 +94,15 @@
 static llvm::Constant *getUnexpectedFn(CodeGenFunction &CGF) {
   // void __cxa_call_unexepcted(void *thrown_exception);
 
-  llvm::Type *ArgTys[] = { CGF.Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(CGF.VoidTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(CGF.VoidTy, CGF.Int8PtrTy, /*IsVarArgs=*/false);
 
   return CGF.CGM.CreateRuntimeFunction(FTy, "__cxa_call_unexpected");
 }
 
 llvm::Constant *CodeGenFunction::getUnwindResumeFn() {
-  llvm::Type *ArgTys[] = { Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(VoidTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(VoidTy, Int8PtrTy, /*IsVarArgs=*/false);
 
   if (CGM.getLangOptions().SjLjExceptions)
     return CGM.CreateRuntimeFunction(FTy, "_Unwind_SjLj_Resume");
@@ -116,9 +110,8 @@
 }
 
 llvm::Constant *CodeGenFunction::getUnwindResumeOrRethrowFn() {
-  llvm::Type *ArgTys[] = { Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(VoidTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(VoidTy, Int8PtrTy, /*IsVarArgs=*/false);
 
   if (CGM.getLangOptions().SjLjExceptions)
     return CGM.CreateRuntimeFunction(FTy, "_Unwind_SjLj_Resume_or_Rethrow");
@@ -146,9 +139,8 @@
 
 static llvm::Constant *getCatchallRethrowFn(CodeGenFunction &CGF,
                                             StringRef Name) {
-  llvm::Type *ArgTys[] = { CGF.Int8PtrTy };
   llvm::FunctionType *FTy =
-    llvm::FunctionType::get(CGF.VoidTy, ArgTys, /*IsVarArgs=*/false);
+    llvm::FunctionType::get(CGF.VoidTy, CGF.Int8PtrTy, /*IsVarArgs=*/false);
 
   return CGF.CGM.CreateRuntimeFunction(FTy, Name);
 }
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index 2f9ff22..817966c 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -1532,8 +1532,7 @@
       assert(metadata->getNumOperands() <= 1);
       if (metadata->getNumOperands() == 0) {
         llvm::Value *string = llvm::MDString::get(getLLVMContext(), assembly);
-        llvm::Value *args[] = { string };
-        metadata->addOperand(llvm::MDNode::get(getLLVMContext(), args));
+        metadata->addOperand(llvm::MDNode::get(getLLVMContext(), string));
       }
     }
   }
@@ -2220,9 +2219,8 @@
 /// make sure it survives garbage collection until this point.
 void CodeGenFunction::EmitExtendGCLifetime(llvm::Value *object) {
   // We just use an inline assembly.
-  llvm::Type *paramTypes[] = { VoidPtrTy };
   llvm::FunctionType *extenderType
-    = llvm::FunctionType::get(VoidTy, paramTypes, /*variadic*/ false);
+    = llvm::FunctionType::get(VoidTy, VoidPtrTy, /*variadic*/ false);
   llvm::Value *extender
     = llvm::InlineAsm::get(extenderType,
                            /* assembly */ "",
diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index ba38bfa..c92260b 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -792,9 +792,8 @@
     EmitClassRef(Name);
   ClassName = Builder.CreateStructGEP(ClassName, 0);
 
-  llvm::Type *ArgTys[] = { PtrToInt8Ty };
   llvm::Constant *ClassLookupFn =
-    CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, ArgTys, true),
+    CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, PtrToInt8Ty, true),
                               "objc_lookup_class");
   return Builder.CreateCall(ClassLookupFn, ClassName);
 }
@@ -998,13 +997,11 @@
   if (isCategoryImpl) {
     llvm::Constant *classLookupFunction = 0;
     if (IsClassMessage)  {
-      llvm::Type *ArgTys[] = { PtrTy };
       classLookupFunction = CGM.CreateRuntimeFunction(llvm::FunctionType::get(
-            IdTy, ArgTys, true), "objc_get_meta_class");
+            IdTy, PtrTy, true), "objc_get_meta_class");
     } else {
-      llvm::Type *ArgTys[] = { PtrTy };
       classLookupFunction = CGM.CreateRuntimeFunction(llvm::FunctionType::get(
-            IdTy, ArgTys, true), "objc_get_class");
+            IdTy, PtrTy, true), "objc_get_class");
     }
     ReceiverClass = Builder.CreateCall(classLookupFunction,
         MakeConstantString(Class->getNameAsString()));
@@ -2201,9 +2198,9 @@
   CGBuilderTy Builder(VMContext);
   Builder.SetInsertPoint(EntryBB);
 
-  llvm::Type *ArgTys[] = { llvm::PointerType::getUnqual(ModuleTy) };
   llvm::FunctionType *FT =
-    llvm::FunctionType::get(Builder.getVoidTy(), ArgTys, true);
+    llvm::FunctionType::get(Builder.getVoidTy(),
+                            llvm::PointerType::getUnqual(ModuleTy), true);
   llvm::Value *Register = CGM.CreateRuntimeFunction(FT, "__objc_exec_class");
   Builder.CreateCall(Register, Module);
   Builder.CreateRetVoid();
diff --git a/lib/CodeGen/ItaniumCXXABI.cpp b/lib/CodeGen/ItaniumCXXABI.cpp
index 4a10f9c..26caeb9 100644
--- a/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/lib/CodeGen/ItaniumCXXABI.cpp
@@ -1016,10 +1016,9 @@
 static llvm::Constant *getGuardAcquireFn(CodeGenModule &CGM,
                                          llvm::PointerType *GuardPtrTy) {
   // int __cxa_guard_acquire(__guard *guard_object);
-  llvm::Type *ArgTys[] = { GuardPtrTy };
   llvm::FunctionType *FTy =
     llvm::FunctionType::get(CGM.getTypes().ConvertType(CGM.getContext().IntTy),
-                            ArgTys, /*isVarArg=*/false);
+                            GuardPtrTy, /*isVarArg=*/false);
   
   return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_acquire");
 }
@@ -1027,10 +1026,9 @@
 static llvm::Constant *getGuardReleaseFn(CodeGenModule &CGM,
                                          llvm::PointerType *GuardPtrTy) {
   // void __cxa_guard_release(__guard *guard_object);
-  llvm::Type *ArgTys[] = { GuardPtrTy };
   llvm::FunctionType *FTy =
     llvm::FunctionType::get(llvm::Type::getVoidTy(CGM.getLLVMContext()),
-                            ArgTys, /*isVarArg=*/false);
+                            GuardPtrTy, /*isVarArg=*/false);
   
   return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_release");
 }
@@ -1038,10 +1036,9 @@
 static llvm::Constant *getGuardAbortFn(CodeGenModule &CGM,
                                        llvm::PointerType *GuardPtrTy) {
   // void __cxa_guard_abort(__guard *guard_object);
-  llvm::Type *ArgTys[] = { GuardPtrTy };
   llvm::FunctionType *FTy =
     llvm::FunctionType::get(llvm::Type::getVoidTy(CGM.getLLVMContext()),
-                            ArgTys, /*isVarArg=*/false);
+                            GuardPtrTy, /*isVarArg=*/false);
   
   return CGM.CreateRuntimeFunction(FTy, "__cxa_guard_abort");
 }