test/uint64-to-float.qbe


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export
function s $f() {
@start.1
@body.2
	%.1 =l call $g()
	%.2 =w csltl %.1, 0
	jnz %.2, @utof_big.4, @utof_small.3
@utof_small.3
	%.3 =s sltof %.1
	jmp @utof_join.5
@utof_big.4
	%.4 =l and %.1, 1
	%.5 =l shr %.1, 1
	%.6 =l or %.5, %.4
	%.7 =s sltof %.6
	%.8 =s add %.7, %.7
@utof_join.5
	%.9 =s phi @utof_small.3 %.3, @utof_big.4 %.8
	ret %.9
}