FileCheck-ize tests.

llvm-svn: 188971
diff --git a/llvm/test/Analysis/ScalarEvolution/and-xor.ll b/llvm/test/Analysis/ScalarEvolution/and-xor.ll
index 06f4a85..404ab91 100644
--- a/llvm/test/Analysis/ScalarEvolution/and-xor.ll
+++ b/llvm/test/Analysis/ScalarEvolution/and-xor.ll
@@ -1,5 +1,8 @@
-; RUN: opt < %s -scalar-evolution -analyze \
-; RUN:   | grep "\-->  (zext" | count 2
+; RUN: opt < %s -scalar-evolution -analyze | FileCheck %s
+
+; CHECK: -->  (zext
+; CHECK: -->  (zext
+; CHECK-NOT: -->  (zext
 
 define i32 @foo(i32 %x) {
   %n = and i32 %x, 255