; 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 }