export
function l $f() {
@start.1
@body.2
%.1 =s call $g()
%.2 =w cges %.1, s_9.2233720368547758e+18
jnz %.2, @ftou_big.5, @ftou_small.4
@ftou_small.4
%.3 =l stosi %.1
jmp @ftou_join.3
@ftou_big.5
%.4 =s sub %.1, s_9.2233720368547758e+18
%.5 =l stosi %.4
%.6 =l xor %.5, 9223372036854775808
@ftou_join.3
%.7 =l phi @ftou_small.4 %.3, @ftou_big.5 %.6
ret %.7
}