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; RUN: llc < %s -march=x86 ; 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, i32* null, i32 0 ) ; <i32> [#uses=0] ret void }