diff --git a/gen/arrays.cpp b/gen/arrays.cpp
index cadb2288..ee542ff5 100644
--- a/gen/arrays.cpp
+++ b/gen/arrays.cpp
@@ -70,18 +70,14 @@ LLStructType* DtoArrayType(Type* arrayTy)
     if (elemty == LLType::getVoidTy(gIR->context()))
         elemty = LLType::getInt8Ty(gIR->context());
 
-    llvm::SmallVector<LLType*, 2> elems;
-    elems.push_back(DtoSize_t());
-    elems.push_back(getPtrToType(elemty));
-    return LLStructType::get(gIR->context(), llvm::makeArrayRef(elems));
+    llvm::Type *elems[] = { DtoSize_t(), getPtrToType(elemty) };
+    return llvm::StructType::get(gIR->context(), elems, false);
 }
 
 LLStructType* DtoArrayType(LLType* t)
 {
-    llvm::SmallVector<LLType*, 2> elems;
-    elems.push_back(DtoSize_t());
-    elems.push_back(getPtrToType(t));
-    return LLStructType::get(gIR->context(), llvm::makeArrayRef(elems));
+    llvm::Type *elems[] = { DtoSize_t(), getPtrToType(t) };
+    return llvm::StructType::get(gIR->context(), elems, false);
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////
diff --git a/ir/irtype.cpp b/ir/irtype.cpp
index 29eae044..bca0ad07 100644
--- a/ir/irtype.cpp
+++ b/ir/irtype.cpp
@@ -57,10 +57,8 @@ IrTypeBasic* IrTypeBasic::get(Type* dt)
 
 LLType* IrTypeBasic::getComplexType(llvm::LLVMContext& ctx, LLType* type)
 {
-    llvm::SmallVector<LLType*, 2> types;
-    types.push_back(type);
-    types.push_back(type);
-    return llvm::StructType::get(ctx, types);
+    llvm::Type *types[] = { type, type };
+    return llvm::StructType::get(ctx, types, false);
 }
 
 //////////////////////////////////////////////////////////////////////////////
@@ -235,10 +233,8 @@ IrTypeArray* IrTypeArray::get(Type* dt)
     // just as for pointers.
     if (!dt->irtype)
     {
-        llvm::SmallVector<LLType*, 2> types;
-        types.push_back(DtoSize_t());
-        types.push_back(llvm::PointerType::get(elemType, 0));
-        LLType* at = llvm::StructType::get(llvm::getGlobalContext(), types/*, t->toChars()*/);
+        llvm::Type *types[] = { DtoSize_t(), llvm::PointerType::get(elemType, 0) };
+        LLType* at = llvm::StructType::get(llvm::getGlobalContext(), types, false);
         dt->irtype = new IrTypeArray(dt, at);
     }
 
diff --git a/ir/irtypefunction.cpp b/ir/irtypefunction.cpp
index 66fda0c2..747311e5 100644
--- a/ir/irtypefunction.cpp
+++ b/ir/irtypefunction.cpp
@@ -72,10 +72,9 @@ IrTypeDelegate* IrTypeDelegate::get(Type* dt)
             "picked up random pre-existing type?"
         );
 
-        llvm::SmallVector<LLType*, 2> types;
-        types.push_back(getVoidPtrType());
-        types.push_back(getPtrToType(dt->nextOf()->irtype->getLLType()));
-        LLStructType* lt = LLStructType::get(gIR->context(), types);
+        llvm::Type *types[] = { getVoidPtrType(), 
+                                getPtrToType(dt->nextOf()->irtype->getLLType()) };
+        LLStructType* lt = LLStructType::get(gIR->context(), types, false);
         dt->irtype = new IrTypeDelegate(dt, lt);
     }