// cond: isSamePtr(p1, p2) && t1.Compare(x.Type) == types.CMPeq && t1.Size() == t2.Size()
	// result: x
	for {
		t1 := v.Type
		p1 := v_0
		if v_1.Op != OpStore {
			break
		}
		t2 := auxToType(v_1.Aux)
		x := v_1.Args[1]
		p2 := v_1.Args[0]
		if !(isSamePtr(p1, p2) && t1.Compare(x.Type) == types.CMPeq && t1.Size() == t2.Size()) {
			break
		}
		v.copyOf(x)