; RUN: opt < %s -dse -S | not grep store %struct.x = type { i32, i32, i32, i32 } define i32 @foo(%struct.x* byval %a) nounwind { entry: %tmp2 = getelementptr %struct.x* %a, i32 0, i32 0 store i32 1, i32* %tmp2, align 4 ret i32 1 }