Strengthen check for div inst-combining.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60276 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/InstCombine/sdiv-1.ll b/test/Transforms/InstCombine/sdiv-1.ll
index c10bd77..305b6d7 100644
--- a/test/Transforms/InstCombine/sdiv-1.ll
+++ b/test/Transforms/InstCombine/sdiv-1.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -instcombine -inline | llvm-dis | grep {715827882} | count 2
+; RUN: llvm-as < %s | opt -instcombine -inline | llvm-dis | not grep '-715827882'
 ; PR3142
 
 define i32 @a(i32 %X) nounwind readnone {