diff --git a/clang/test/CodeGen/microsoft-call-conv.c b/clang/test/CodeGen/microsoft-call-conv.c
index 763d443f8e86..517435d017ac 100644
--- a/clang/test/CodeGen/microsoft-call-conv.c
+++ b/clang/test/CodeGen/microsoft-call-conv.c
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -triple i386-pc-linux -Wno-strict-prototypes -emit-llvm < %s | FileCheck %s
 // RUN: %clang_cc1 -triple i386-pc-linux -Wno-strict-prototypes -emit-llvm -mrtd < %s | FileCheck %s
-// RUN: %clang_cc1 -triple i386-pc-linux -Wno-strict-prototypes -emit-llvm -fms-compatibility < %s
+// RUN: %clang_cc1 -triple i386-pc-linux -Wno-strict-prototypes -emit-llvm -fms-compatibility < %s | FileCheck %s
 
 void __fastcall f1(void);
 void __stdcall f2(void);
@@ -61,8 +61,8 @@ void f8(void) {
 
 // PR12535
 void __fastcall f9(int x, int y) {};
-// WIN: define{{.*}} x86_fastcallcc void @f9({{.*}})
+// CHECK: define{{.*}} x86_fastcallcc void @f9({{.*}})
 void __fastcall f10(int x, ...) {};
-// WIN: define{{.*}} void @f10({{.*}})
+// CHECK: define{{.*}} void @f10({{.*}})
 void __stdcall f11(int x, ...) {};
-// WIN: define{{.*}} void @f11({{.*}})
+// CHECK: define{{.*}} void @f11({{.*}})