diff --git a/clang/lib/Headers/__clang_cuda_intrinsics.h b/clang/lib/Headers/__clang_cuda_intrinsics.h
--- a/clang/lib/Headers/__clang_cuda_intrinsics.h
+++ b/clang/lib/Headers/__clang_cuda_intrinsics.h
@@ -509,7 +509,7 @@
 __device__ inline void *__nv_cvta_local_to_generic_impl(size_t __ptr) {
   return (void *)(void __attribute__((address_space(5))) *)__ptr;
 }
-__device__ inline uint32_t __nvvm_get_smem_pointer(void *__ptr) {
+__device__ inline cuuint32_t __nvvm_get_smem_pointer(void *__ptr) {
   return __nv_cvta_generic_to_shared_impl(__ptr);
 }
 } // extern "C"