}
func (f *Func) ConstFloat64(t *types.Type, c float64) *Value {
	return f.constVal(OpConst64F, t, int64(math.Float64bits(c)), true)
}

func (f *Func) ConstSlice(t *types.Type) *Value {
	return f.constVal(OpConstSlice, t, constSliceMagic, false)
}
func (f *Func) ConstInterface(t *types.Type) *Value {
	return f.constVal(OpConstInterface, t, constInterfaceMagic, false)
}

	{name: "Const64F", aux: "Float64"}, // value is math.Float64frombits(uint64(auxint))
	{name: "ConstInterface"},           // nil interface
	{name: "ConstSlice"},               // nil slice

	// Constant-like things
	{name: "InitMem", zeroWidth: true},                               // memory input to the function.

(SliceCap (SliceMake _ _ (SliceCap x))) => (SliceCap x)
(SliceCap (SliceMake _ _ (SliceLen x))) => (SliceLen x)
(ConstSlice) && config.PtrSize == 4 =>
  (SliceMake
    (ConstNil <v.Type.Elem().PtrTo()>)
    (Const32 <typ.Int> [0])
    (Const32 <typ.Int> [0]))
(ConstSlice) && config.PtrSize == 8 =>
  (SliceMake
    (ConstNil <v.Type.Elem().PtrTo()>)
    (Const64 <typ.Int> [0])

	return s.entryBlock().NewValue2A(src.NoXPos, op, t, aux, arg0, arg1)
}

// const* routines add a new const value to the entry block.
func (s *state) constSlice(t *types.Type) *ssa.Value {
	return s.f.ConstSlice(t)
}
func (s *state) constInterface(t *types.Type) *ssa.Value {
	return s.f.ConstInterface(t)
}
func (s *state) constNil(t *types.Type) *ssa.Value { return s.f.ConstNil(t) }

		v.AddArg2(v0, v1)
		return true
	}
}
func rewriteValuegeneric_OpConstSlice(v *Value) bool {
	b := v.Block
	config := b.Func.Config
	typ := &b.Func.Config.Types
	// match: (ConstSlice)
	// cond: config.PtrSize == 4
	// result: (SliceMake (ConstNil <v.Type.Elem().PtrTo()>) (Const32 <typ.Int> [0]) (Const32 <typ.Int> [0]))
	for {
		if !(config.PtrSize == 4) {
			break
		}

		name:    "Const64F",
		auxType: auxFloat64,
		argLen:  0,
		generic: true,
	},
	{
		name:    "ConstInterface",
		argLen:  0,
		generic: true,
	},
	{
		name:    "ConstSlice",
		argLen:  0,
		generic: true,
	},
	{
		name:      "InitMem",
		argLen:    0,
		zeroWidth: true,
		generic:   true,
	},
	{
		name:      "Arg",