v.reset(OpIMake)
	v.AddArg(itab)
	v.AddArg(data)
}

func decomposeUser(f *Func) {
	for _, b := range f.Blocks {
		for _, v := range b.Values {
			if v.Op != OpPhi {
				continue
			}
			decomposeUserPhi(v)
		}
	}
	// Split up named values into their components.
	i := 0
	var newNames []*LocalSlot
	for _, name := range f.Names {
		t := name.Type
		switch {
		case t.IsStruct():