|  | ; RUN: llc < %s -march=x86-64 | 
|  |  | 
|  | define fastcc void @S_next_symbol(i448* %P) nounwind ssp { | 
|  | entry: | 
|  | br label %bb14 | 
|  |  | 
|  | bb14:		; preds = %bb | 
|  | %srcval16 = load i448, i448* %P, align 8		; <i448> [#uses=1] | 
|  | %tmp = zext i32 undef to i448		; <i448> [#uses=1] | 
|  | %tmp15 = shl i448 %tmp, 288		; <i448> [#uses=1] | 
|  | %mask = and i448 %srcval16, -2135987035423586845985235064014169866455883682256196619149693890381755748887481053010428711403521		; <i448> [#uses=1] | 
|  | %ins = or i448 %tmp15, %mask		; <i448> [#uses=1] | 
|  | store i448 %ins, i448* %P, align 8 | 
|  | ret void | 
|  | } |