diff --git a/test/Headers/mmprefetch.c b/test/Headers/mmprefetch.c
index cd8339723a3daf6137df6b9740fe42de8b728a60..7452bea85d2b8d687865632df4b078a2fb20fd45 100644
--- a/test/Headers/mmprefetch.c
+++ b/test/Headers/mmprefetch.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -triple=x86_64-unknown-unknown -fms-extensions -emit-llvm -verify %s
+// RUN: %clang_cc1 -triple=x86_64-unknown-unknown -fms-extensions -emit-llvm-only -verify %s
 
 #include <mmintrin.h>