diff --git a/llvm/test/Transforms/PredicateSimplifier/2007-09-19-Subtract.ll b/llvm/test/Transforms/PredicateSimplifier/2007-09-19-Subtract.ll
index 6c99b10942e15bbf687b109f7f426ef94ce7d777..e12453a76c41c1b703a683274aa79eb89f4b506e 100644
--- a/llvm/test/Transforms/PredicateSimplifier/2007-09-19-Subtract.ll
+++ b/llvm/test/Transforms/PredicateSimplifier/2007-09-19-Subtract.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -predsimplify | llvm-dis | grep -v unreachable
+; RUN: llvm-as < %s | opt -predsimplify | llvm-dis | grep unreachable | count 2
 ; PR1683
 
 @.str = internal constant [13 x i8] c"c36174a.adb\00\00"		; <[13 x i8]*> [#uses=1]