beginFn f0_fun i64 1 v0_i i64
new v1 emit i64 'test' v0_i
gotoF v1 l0
ret !1:i64
goto l1
lbl l0
ret !2:i64
lbl l1
ret !3:i64
endFn

export 'efn' (i64)->i64 $f0_fun