diff --git a/clang/test/Preprocessor/pic.c b/clang/test/Preprocessor/pic.c
index ebc028ae179b..a65cef8409cd 100644
--- a/clang/test/Preprocessor/pic.c
+++ b/clang/test/Preprocessor/pic.c
@@ -1,9 +1,12 @@
-// RUN: %clang -target i386-unknown-unknown -static -dM -E -o %t %s
-// RUN: grep '#define __PIC__' %t | count 0
-// RUN: grep '#define __pic__' %t | count 0
-// RUN: %clang -target i386-unknown-unknown -fpic -dM -E -o %t %s
-// RUN: grep '#define __PIC__ 1' %t | count 1
-// RUN: grep '#define __pic__ 1' %t | count 1
-// RUN: %clang -target i386-unknown-unknown -fPIC -dM -E -o %t %s
-// RUN: grep '#define __PIC__ 2' %t | count 1
-// RUN: grep '#define __pic__ 2' %t | count 1
+// RUN: %clang -target i386-unknown-unknown -static -dM -E -o - %s \
+// RUN:   | FileCheck --check-prefix=CHECK-STATIC %s
+// CHECK-STATIC-NOT: #define __PIC__
+// CHECK-STATIC-NOT: #define __pic__
+// RUN: %clang -target i386-unknown-unknown -fpic -dM -E -o - %s \
+// RUN:   | FileCheck --check-prefix=CHECK-LOWERPIC %s
+// CHECK-LOWERPIC: #define __PIC__ 1
+// CHECK-LOWERPIC: #define __pic__ 1
+// RUN: %clang -target i386-unknown-unknown -fPIC -dM -E -o - %s \
+// RUN:   | FileCheck --check-prefix=CHECK-UPPERPIC %s
+// CHECK-UPPERPIC: #define __PIC__ 2
+// CHECK-UPPERPIC: #define __pic__ 2