}

// AutoVar returns a *Name and int64 representing the auto variable and offset within it
// where v should be spilled.
func AutoVar(v *Value) (*ir.Name, int64) {
	if loc, ok := v.Block.Func.RegAlloc[v.ID].(LocalSlot); ok {
		if v.Type.Size() > loc.Type.Size() {
			v.Fatalf("spill/restore type %s doesn't fit in slot type %s", v.Type, loc.Type)
		}
		return loc.N, loc.Off
	}

			// of narrowing conversions).
			x = e.p.NewValue1(pos, OpStoreReg, loc.(LocalSlot).Type, x)
		}
	} else {
		// Emit move from src to dst.
		_, srcReg := src.(*Register)
		if srcReg {
			if dstReg {
				x = e.p.NewValue1(pos, OpCopy, c.Type, c)
			} else {
				x = e.p.NewValue1(pos, OpStoreReg, loc.(LocalSlot).Type, c)
			}
		} else {
			if dstReg {

func (p htmlFuncPrinter) startDepCycle() {
	fmt.Fprintln(p.w, "<span class=\"depcycle\">")
}

func (p htmlFuncPrinter) endDepCycle() {
	fmt.Fprintln(p.w, "</span>")
}

func (p htmlFuncPrinter) named(n LocalSlot, vals []*Value) {
	fmt.Fprintf(p.w, "<li>name %s: ", n)
	for _, val := range vals {
		fmt.Fprintf(p.w, "%s ", val.HTML())
	}
	fmt.Fprintf(p.w, "</li>")
}

type dotWriter struct {

func (e *ssafn) SplitSlot(parent *ssa.LocalSlot, suffix string, offset int64, t *types.Type) ssa.LocalSlot {
	node := parent.N

	if node.Class != ir.PAUTO || node.Addrtaken() {
		// addressed things and non-autos retain their parents (i.e., cannot truly be split)
		return ssa.LocalSlot{N: node, Type: t, Off: parent.Off + offset}
	}