; RUN: opt %s -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
}