sfx = ".type"
	}
	c := f.SplitSlot(name, sfx, 0, u) // see comment in typebits.Set
	d := f.SplitSlot(name, ".data", u.Size(), t)
	return c, d
}

func (f *Func) SplitSlice(name *LocalSlot) (*LocalSlot, *LocalSlot, *LocalSlot) {
	ptrType := types.NewPtr(name.Type.Elem())
	lenType := types.Types[types.TINT]
	p := f.SplitSlot(name, ".ptr", 0, ptrType)
	l := f.SplitSlot(name, ".len", ptrType.Size(), lenType)

type TestFrontend struct {
	t    testing.TB
	ctxt *obj.Link
	f    *ir.Func
}

func (TestFrontend) StringData(s string) *obj.LSym {
	return nil
}
func (d TestFrontend) SplitSlot(parent *LocalSlot, suffix string, offset int64, t *types.Type) LocalSlot {
	return LocalSlot{N: parent.N, Type: t, Off: offset}
}
func (d TestFrontend) Syslook(s string) *obj.LSym {
	return d.ctxt.Lookup(s)
}

	// StringData returns a symbol pointing to the given string's contents.
	StringData(string) *obj.LSym

	// Given the name for a compound type, returns the name we should use
	// for the parts of that compound type.
	SplitSlot(parent *LocalSlot, suffix string, offset int64, t *types.Type) LocalSlot

	// Syslook returns a symbol of the runtime function/variable with the
	// given name.
	Syslook(string) *obj.LSym

		e.strings = make(map[string]*obj.LSym)
	}
	data := staticdata.StringSym(e.curfn.Pos(), s)
	e.strings[s] = data
	return data
}

// SplitSlot returns a slot representing the data of parent starting at offset.
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() {