Added RUN lines and dejagnu support for Feature dir.

llvm-svn: 17568
diff --git a/llvm/test/Feature/testmemory.ll b/llvm/test/Feature/testmemory.ll
index fca4532..cc6fe71 100644
--- a/llvm/test/Feature/testmemory.ll
+++ b/llvm/test/Feature/testmemory.ll
@@ -1,3 +1,7 @@
+; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
 %struct = type { int , {float, {ubyte } } , ulong }
 %complexty = type {int, {[4 x sbyte *], float}, double}