}
	rv = ValueOf(&xa).Elem()
	shouldPanic("Slice3", func() { rv.Slice3(1, 2, 1) })
	shouldPanic("Slice3", func() { rv.Slice3(1, 1, 11) })
	shouldPanic("Slice3", func() { rv.Slice3(2, 2, 1) })

	s := "hello world"
	rv = ValueOf(&s).Elem()
	shouldPanic("Slice3", func() { rv.Slice3(1, 2, 3) })

	rv = ValueOf(&xs).Elem()
	rv = rv.Slice3(3, 5, 7)
	ptr2 := rv.UnsafePointer()
	rv = rv.Slice3(4, 4, 4)

		return item.Slice(idx[0], idx[1]), nil
	}
	// given item[i:j:k], make sure i <= j <= k.
	if idx[1] > idx[2] {
		return reflect.Value{}, fmt.Errorf("invalid slice index: %d > %d", idx[1], idx[2])
	}
	return item.Slice3(idx[0], idx[1], idx[2]), nil
}

// Length

// length returns the length of the item, with an error if it has no defined length.
func length(item reflect.Value) (int, error) {
	item, isNil := indirect(item)

	fl := v.flag.ro() | flagIndir | flag(Slice)
	return Value{typ.Common(), unsafe.Pointer(&x), fl}
}

// Slice3 is the 3-index form of the slice operation: it returns v[i:j:k].
// It panics if v's Kind is not [Array] or [Slice], or if v is an unaddressable array,
// or if the indexes are out of bounds.
func (v Value) Slice3(i, j, k int) Value {
	var (
		cap  int
		typ  *sliceType
		base unsafe.Pointer
	)

  // CHECK: %[[SLICE3:.*]] = "mhlo.slice"(%{{.*}}) <{limit_indices = dense<[4, 3, 6]> : tensor<3xi64>, start_indices = dense<[0, 2, 0]> : tensor<3xi64>, strides = dense<1> : tensor<3xi64>}> : (tensor<4x3x6xf32>) -> tensor<4x1x6xf32>
  // CHECK: %[[RES3:.*]] = mhlo.reshape %[[SLICE3]] : (tensor<4x1x6xf32>) -> tensor<4x6xf32>

			}
		} else {
			if rhs == nil {
				r = s.zeroVal(t)
			} else {
				r = s.expr(rhs)
			}
		}

		var skip skipMask
		if rhs != nil && (rhs.Op() == ir.OSLICE || rhs.Op() == ir.OSLICE3 || rhs.Op() == ir.OSLICESTR) && ir.SameSafeExpr(rhs.(*ir.SliceExpr).X, n.X) {
			// We're assigning a slicing operation back to its source.
			// Don't write back fields we aren't changing. See issue #14855.