test/kr-function-argument-promotion.qbe


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export
function w $f(w %.1) {
@start.1
	%.2 =w extub %.1
	%.3 =l alloc4 1
	storeb %.2, %.3
@body.2
	%.4 =w loadub %.3
	%.5 =w extub %.4
	ret %.5
}
export
function w $main() {
@start.3
@body.4
	%.1 =w call $f(w 256)
	ret %.1
}