if f.constants == nil {
		f.constants = make(map[int64][]*Value)
	}
	vv := f.constants[c]
	for _, v := range vv {
		if v.Op == op && v.Type.Compare(t) == types.CMPeq {
			if setAuxInt && v.AuxInt != c {
				panic(fmt.Sprintf("cached const %s should have AuxInt of %d", v.LongString(), c))
			}
			return v
		}
	}
	var v *Value
	if setAuxInt {