; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep -v {i32 8}
; PR2330
define i32 @a(i32 %a) nounwind {
entry:
%tmp2 = sub i32 8, %a ; <i32> [#uses=1]
%tmp3 = and i32 %tmp2, 7 ; <i32> [#uses=1]
ret i32 %tmp3
}