; RUN: llc < %s -mtriple=x86_64-unknown-freebsd8.1 -o /dev/null ; This formerly crashed, PR 8154. module asm ".weak sem_close" module asm ".equ sem_close, _sem_close" module asm ".weak sem_destroy" module asm ".equ sem_destroy, _sem_destroy" module asm ".weak sem_getvalue" module asm ".equ sem_getvalue, _sem_getvalue" module asm ".weak sem_init" module asm ".equ sem_init, _sem_init" module asm ".weak sem_open" module asm ".equ sem_open, _sem_open" module asm ".weak sem_post" module asm ".equ sem_post, _sem_post" module asm ".weak sem_timedwait" module asm ".equ sem_timedwait, _sem_timedwait" module asm ".weak sem_trywait" module asm ".equ sem_trywait, _sem_trywait" module asm ".weak sem_unlink" module asm ".equ sem_unlink, _sem_unlink" module asm ".weak sem_wait" module asm ".equ sem_wait, _sem_wait" %struct._sem = type { i32, %struct._usem } %struct._usem = type { i32, i32, i32 } define void @_sem_timedwait(%struct._sem* noalias %sem) nounwind ssp { entry: br i1 undef, label %while.cond.preheader, label %sem_check_validity.exit while.cond.preheader: ; preds = %entry %tmp4 = getelementptr inbounds %struct._sem* %sem, i64 0, i32 1, i32 1 br label %while.cond sem_check_validity.exit: ; preds = %entry ret void while.cond: ; preds = %while.body, %while.cond.preheader br i1 undef, label %while.body, label %while.end while.body: ; preds = %while.cond %0 = call i8 asm sideeffect "\09lock ; \09\09\09cmpxchgl $2,$1 ;\09 sete\09$0 ;\09\091:\09\09\09\09# atomic_cmpset_int", "={ax},=*m,r,{ax},*m,~{memory},~{dirflag},~{fpsr},~{flags}"(i32* %tmp4, i32 undef, i32 undef, i32* %tmp4) nounwind, !srcloc !0 br i1 undef, label %while.cond, label %return while.end: ; preds = %while.cond br i1 undef, label %if.end18, label %return if.end18: ; preds = %while.end unreachable return: ; preds = %while.end, %while.body ret void } !0 = metadata !{i32 158484}