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

llvm-svn: 81257
diff --git a/llvm/test/Transforms/SimplifyLibCalls/StrNCpy.ll b/llvm/test/Transforms/SimplifyLibCalls/StrNCpy.ll
index 2a853cb..0ce1ca9 100644
--- a/llvm/test/Transforms/SimplifyLibCalls/StrNCpy.ll
+++ b/llvm/test/Transforms/SimplifyLibCalls/StrNCpy.ll
@@ -1,5 +1,5 @@
 ; Test that the StrNCpyOptimizer works correctly
-; RUN: opt %s -simplify-libcalls | llvm-dis | \
+; RUN: opt %s -simplify-libcalls -S | \
 ; RUN:   not grep {call.*strncpy}
 
 ; This transformation requires the pointer size, as it assumes that size_t is