diff --git a/llvm/include/llvm/Support/ReverseIteration.h b/llvm/include/llvm/Support/ReverseIteration.h
index 9e9411856369e..1a42ff3368dcb 100644
--- a/llvm/include/llvm/Support/ReverseIteration.h
+++ b/llvm/include/llvm/Support/ReverseIteration.h
@@ -6,8 +6,7 @@
 
 namespace llvm {
 
-template<class T = void *>
-bool shouldReverseIterate() {
+template <class T = void *> constexpr bool shouldReverseIterate() {
 #if LLVM_ENABLE_REVERSE_ITERATION
   return detail::IsPointerLike<T>::value;
 #else