; RUN: llc < %s
; PR828
target datalayout = "e-p:32:32"
target triple = "i686-pc-linux-gnu"
define void @_ZN5() {
cond_true9:
%tmp3.i.i = call i32 asm sideeffect "lock; cmpxchg $1,$2", "={ax},q,m,0,~{dirflag},~{fpsr},~{flags},~{memory}"( i32 0, ptr null, i32 0 ) ; <i32> [#uses=0]
ret void
}