diff --git a/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp b/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
index 4ffcade..f81e584 100644
--- a/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
@@ -107,7 +107,7 @@
   return std::unique_ptr<ObjectLayer>(std::move(ObjLinkingLayer));
 }
 
-Expected<IRCompileLayer::CompileFunction>
+Expected<std::unique_ptr<IRCompileLayer::IRCompiler>>
 LLJIT::createCompileFunction(LLJITBuilderState &S,
                              JITTargetMachineBuilder JTMB) {
 
@@ -118,13 +118,13 @@
   // Otherwise default to creating a SimpleCompiler, or ConcurrentIRCompiler,
   // depending on the number of threads requested.
   if (S.NumCompileThreads > 0)
-    return ConcurrentIRCompiler(std::move(JTMB));
+    return std::make_unique<ConcurrentIRCompiler>(std::move(JTMB));
 
   auto TM = JTMB.createTargetMachine();
   if (!TM)
     return TM.takeError();
 
-  return TMOwningSimpleCompiler(std::move(*TM));
+  return std::make_unique<TMOwningSimpleCompiler>(std::move(*TM));
 }
 
 LLJIT::LLJIT(LLJITBuilderState &S, Error &Err)