return fmt.Sprintf("b%d", b.ID)
}

// long form print
func (b *Block) LongString() string {
	s := b.Kind.String()
	if b.Aux != nil {
		s += fmt.Sprintf(" {%s}", b.Aux)
	}
	if t := b.AuxIntString(); t != "" {
		s += fmt.Sprintf(" [%s]", t)
	}
	for _, c := range b.ControlValues() {
		s += fmt.Sprintf(" %s", c)
	}
	if len(b.Succs) > 0 {
		s += " ->"
		for _, c := range b.Succs {

	s := fmt.Sprintf("<span class=\"%s ssa-block\">%s</span>", html.EscapeString(b.String()), html.EscapeString(b.Kind.String()))
	if b.Aux != nil {
		s += html.EscapeString(fmt.Sprintf(" {%v}", b.Aux))
	}
	if t := b.AuxIntString(); t != "" {
		s += html.EscapeString(fmt.Sprintf(" [%v]", t))
	}
	for _, c := range b.ControlValues() {
		s += fmt.Sprintf(" %s", c.HTML())
	}
	if len(b.Succs) > 0 {
		s += " &#8594;" // right arrow