-; RUN: llvm-as < %s | opt -loop-unroll | llvm-dis | not grep undef
+; RUN: opt < %s -loop-unroll -S | not grep undef
; PR1385
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"