Use opt -S instead of piping bitcode output through llvm-dis.

llvm-svn: 81257
diff --git a/llvm/test/Transforms/InstCombine/and-or-not.ll b/llvm/test/Transforms/InstCombine/and-or-not.ll
index 76f3209..37ec3bc 100644
--- a/llvm/test/Transforms/InstCombine/and-or-not.ll
+++ b/llvm/test/Transforms/InstCombine/and-or-not.ll
@@ -1,6 +1,6 @@
-; RUN: opt %s -instcombine | llvm-dis | grep xor | count 4
-; RUN: opt %s -instcombine | llvm-dis | not grep and
-; RUN: opt %s -instcombine | llvm-dis | not grep { or}
+; RUN: opt < %s -instcombine -S | grep xor | count 4
+; RUN: opt < %s -instcombine -S | not grep and
+; RUN: opt < %s -instcombine -S | not grep { or}
 
 ; PR1510