Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.

llvm-svn: 81226
diff --git a/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll b/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll
index a1beec6..cf5f31d 100644
--- a/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll
+++ b/llvm/test/Transforms/IndVarSimplify/2005-02-17-TruncateExprCrash.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -indvars -disable-output
+; RUN: opt %s -indvars -disable-output
 
 declare void @q_atomic_increment()