// )
	if expr != "" {
		buf.WriteByte(')')
	}

	return buf.String()
}

func (x *operand) String() string {
	return operandString(x, nil)
}

// setConst sets x to the untyped constant for literal lit.
func (x *operand) setConst(k syntax.LitKind, lit string) {
	var kind BasicKind
	switch k {
	case syntax.IntLit:
		kind = UntypedInt
	case syntax.FloatLit:
		kind = UntypedFloat

	v_0 := v.Args[0]
	// match: (SLLconst [c] (MOVDconst [d]))
	// result: (MOVDconst [d<<uint64(c)])
	for {
		c := auxIntToInt64(v.AuxInt)
		if v_0.Op != OpARM64MOVDconst {
			break
		}
		d := auxIntToInt64(v_0.AuxInt)
		v.reset(OpARM64MOVDconst)
		v.AuxInt = int64ToAuxInt(d << uint64(c))
		return true
	}
	// match: (SLLconst [c] (SRLconst [c] x))
	// cond: 0 < c && c < 64

	//
	//  res := lattice{constant, nil}
	// 	switch op {
	// 	case OpAdd16:
	//		res.val = newConst(argLt1.val.AuxInt16() + argLt2.val.AuxInt16())
	// 	case OpAdd32:
	// 		res.val = newConst(argLt1.val.AuxInt32() + argLt2.val.AuxInt32())
	//	case OpDiv8:
	//		if !isDivideByZero(argLt2.val.AuxInt8()) {
	//			res.val = newConst(argLt1.val.AuxInt8() / argLt2.val.AuxInt8())
	//		}
	//  ...
	// 	}
	//

                                                        compressed_data);
        auto s_qconst =
            builder.create<SparseQConstOp>(op->getLoc(), cst.getQtypeAttr(),
                                           cst.getValue(), s_param, new_value);
        value.replaceAllUsesWith(s_qconst.getResult());
        cst.erase();
      }

      if (result.needs_densify) {

	{"false", UntypedBool, constant.MakeBool(false)},
	{"iota", UntypedInt, constant.MakeInt64(0)},
}

func defPredeclaredConsts() {
	for _, c := range predeclaredConsts {
		def(NewConst(nopos, nil, c.name, Typ[c.kind], c.val))
	}
}

func defPredeclaredNil() {
	def(&Nil{object{name: "nil", typ: Typ[UntypedNil], color_: black}})
}

// A builtinId is the id of a builtin function.

	{"false", UntypedBool, constant.MakeBool(false)},
	{"iota", UntypedInt, constant.MakeInt64(0)},
}

func defPredeclaredConsts() {
	for _, c := range predeclaredConsts {
		def(NewConst(nopos, nil, c.name, Typ[c.kind], c.val))
	}
}

func defPredeclaredNil() {
	def(&Nil{object{name: "nil", typ: Typ[UntypedNil], color_: black}})
}

// A builtinId is the id of a builtin function.

		return true
	}
	// match: (SGTconst [c] (MOVBreg _))
	// cond: 0x7f < c
	// result: (MOVVconst [1])
	for {
		c := auxIntToInt64(v.AuxInt)
		if v_0.Op != OpLOONG64MOVBreg || !(0x7f < c) {
			break
		}
		v.reset(OpLOONG64MOVVconst)
		v.AuxInt = int64ToAuxInt(1)
		return true
	}
	// match: (SGTconst [c] (MOVBreg _))
	// cond: c <= -0x80
	// result: (MOVVconst [0])
	for {

// A Const represents a declared constant.
type Const struct {
	object
	val constant.Value
}

// NewConst returns a new constant with value val.
// The remaining arguments set the attributes found with all Objects.
func NewConst(pos syntax.Pos, pkg *Package, name string, typ Type, val constant.Value) *Const {
	return &Const{object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}, val}
}

	if !f && n.isGenericIntConst() {
		po.newconst(n)
		i, f = po.values[n.ID]
	}
	return i, f
}

// newconst creates a node for a constant. It links it to other constants, so
// that n<=5 is detected true when n<=3 is known to be true.
// TODO: this is O(N), fix it.
func (po *poset) newconst(n *Value) {
	if !n.isGenericIntConst() {
		panic("newconst on non-constant")
	}

// A Const represents a declared constant.
type Const struct {
	object
	val constant.Value
}

// NewConst returns a new constant with value val.
// The remaining arguments set the attributes found with all Objects.
func NewConst(pos token.Pos, pkg *Package, name string, typ Type, val constant.Value) *Const {
	return &Const{object{nil, pos, pkg, name, typ, 0, colorFor(typ), nopos}, val}
}