diff --git a/llvm/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h b/llvm/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h
index 58c96737e58076..82f2b7464953f1 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/ThreadSafeModule.h
@@ -162,7 +162,7 @@ using GVModifier = std::function<void(GlobalValue &)>;
 
 /// Clones the given module on to a new context.
 ThreadSafeModule
-cloneToNewContext(ThreadSafeModule &TSMW,
+cloneToNewContext(const ThreadSafeModule &TSMW,
                   GVPredicate ShouldCloneDef = GVPredicate(),
                   GVModifier UpdateClonedDefSource = GVModifier());
 
diff --git a/llvm/lib/ExecutionEngine/Orc/ThreadSafeModule.cpp b/llvm/lib/ExecutionEngine/Orc/ThreadSafeModule.cpp
index 1f4e6f1321150d..2e128dd2374439 100644
--- a/llvm/lib/ExecutionEngine/Orc/ThreadSafeModule.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/ThreadSafeModule.cpp
@@ -15,7 +15,7 @@
 namespace llvm {
 namespace orc {
 
-ThreadSafeModule cloneToNewContext(ThreadSafeModule &TSM,
+ThreadSafeModule cloneToNewContext(const ThreadSafeModule &TSM,
                                    GVPredicate ShouldCloneDef,
                                    GVModifier UpdateClonedDefSource) {
   assert(TSM && "Can not clone null module");