; RUN: opt < %s -passes=instcombine -S | 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 }