case constant.Float:
		i := constant.ToInt(x)
		if i.Kind() != constant.Int {
			v, _ := constant.Float64Val(x)
			return v
		}
		x = i
		fallthrough
	case constant.Int:
		if v, ok := constant.Int64Val(x); ok {
			return v
		}
		if v, ok := constant.Uint64Val(x); ok {
			return v
		}
	case constant.String:
		return constant.StringVal(x)
	case constant.Bool:

	store, sd, fx := initServiceDiscovery(t)
	expectedServices := []*model.Service{
		makeService("*.istio.io", "httpDNSRR", constants.UnspecifiedIP, map[string]int{"http-port": 80, "http-alt-port": 8080}, true, model.DNSRoundRobinLB),
		makeService("*.google.com", "httpDNS", constants.UnspecifiedIP, map[string]int{"http-port": 80, "http-alt-port": 8080}, true, model.DNSLB),

    %cst_2 = "tfl.no_value"() {value = unit} : () -> none
    %cst_3 = arith.constant dense<1.0> : tensor<20x20xf32>
    %cst_7 = arith.constant dense<1.0> : tensor<20xf32>
    %cst_11 = arith.constant dense<1.0> : tensor<20x28xf32>
    %recurrent_input = arith.constant dense<1.0> : tensor<1x20xf32>

			if !w.isGenericIntConst() {
				// If we know that x+delta > w but w is not constant, we can derive:
				//    if delta < 0 and x+delta cannot underflow, then x > w
				// This is useful for loops with bounds "len(slice)-K" (delta = -K)
				if delta < 0 && !underflow {
					ft.update(parent, x, w, signed, r)
				}
			} else {
				// With w,delta constants, we want to derive: x+delta > w  ⇒  x > w-delta
				//

// have noted are most likely needed to make it work.
// - The string used with VPERM to swap the byte order
//   for loads and stores.
// - The constants that are loaded from CPOOL.
//

// The following constants are defined in an order
// that is correct for use with LXVD2X/STXVD2X
// on little endian.
DATA p256<>+0x00(SB)/8, $0xffffffff00000001 // P256

// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.
func KnownFolderPath(folderID *KNOWNFOLDERID, flags uint32) (string, error) {
	return Token(0).KnownFolderPath(folderID, flags)
}

// KnownFolderPath returns a well-known folder path for the user token, specified by one of
// the FOLDERID_ constants, and chosen and optionally created based on a KF_ flag.

    // output type doesn't have to be static but if input types and indices are
    // constant, then the output type can be statically determined.
    RankedTensorType out_ty = mlir::dyn_cast<RankedTensorType>(op.getType());
    if (!out_ty || !out_ty.hasStaticShape()) return failure();

    // Extract out all the constant indices' attributes and verify that data
    // types are static.

                                groupList.add(Base64.getUrlEncoder().encodeToString(name.getBytes(Constants.CHARSET_UTF_8)));
                            } else if (lowerEntryDn.indexOf(lowerRoleDn) != -1) {
                                roleList.add(Base64.getUrlEncoder().encodeToString(name.getBytes(Constants.CHARSET_UTF_8)));
                            }
                        });

		cg := core.NewConfigGenTest(t, core.TestOptions{})

		vs := virtualServiceWithCatchAllRoute
		if vs.Annotations == nil {
			vs.Annotations = make(map[string]string)
		}
		vs.Annotations[constants.InternalRouteSemantics] = constants.RouteSemanticsIngress

		routes, err := route.BuildHTTPRoutesForVirtualService(node(cg), vs,
			serviceRegistry, nil, 8080, gatewayNames, route.RouteOptions{})
		xdstest.ValidateRoutes(t, routes)

		}
		return after[:n]
	}
	panic("missing package header: " + src)
}

func TestValuesInfo(t *testing.T) {
	var tests = []struct {
		src  string
		expr string // constant expression
		typ  string // constant type
		val  string // constant value
	}{
		{`package a0; const _ = false`, `false`, `untyped bool`, `false`},
		{`package a1; const _ = 0`, `0`, `untyped int`, `0`},