if (merged_output.node() == nullptr) {
      Output new_output(new_node, oidx);
      if (debugging_opts.print_outputs) {
        string cpu_device = "/job:localhost/replica:0/task:0/device:CPU:0";
        ops::Print print_op(s.WithOpName("print_", oidx)
                                .WithDevice(cpu_device)
                                .WithAssignedDevice(cpu_device),
                            new_output, {new_output},

func (r *debugLogReader) varint() int64 {
	u := r.uvarint()
	var v int64
	if u&1 == 0 {
		v = int64(u >> 1)
	} else {
		v = ^int64(u >> 1)
	}
	return v
}

func (r *debugLogReader) printVal() bool {
	typ := r.data.b[r.begin%uint64(len(r.data.b))]
	r.begin++

	switch typ {
	default:
		print("<unknown field type ", hex(typ), " pos ", r.begin-1, " end ", r.end, ">\n")
		return false

func printuint(uint64)
func printcomplex(complex128)
func printstring(string)
func printpointer(any)
func printuintptr(uintptr)
func printiface(any)
func printeface(any)
func printslice(any)
func printnl()
func printsp()
func printlock()
func printunlock()

func concatstring2(*[32]byte, string, string) string
func concatstring3(*[32]byte, string, string, string) string
func concatstring4(*[32]byte, string, string, string, string) string

k|ln|locate|logname|logout|look|lpc|lpr|lprint|lprintd|lprintq|lprm|ls|lsof|make|man|mkdir|mkfifo|mkisofs|mknod|more|most|mount|mtools|mtr|mv|mmv|nano|netstat|nice|nl|nohup|notify-send|npm|nslookup|open|op|passwd|paste|pathchk|ping|pkill|popd|pr|printcap|printenv|printf|ps|pushd|pv|pwd|quota|quotacheck|quotactl|ram|rar|rcp|read|readarray|readonly|reboot|rename|renice|remsync|rev|rm|rmdir|rsync|screen|scp|sdiff|sed|seq|service|sftp|shift|shopt|shutdown|sleep|slocate|sort|source|split|ssh|stat|str...

	{"printstring", funcTag, 29},
	{"printpointer", funcTag, 30},
	{"printuintptr", funcTag, 31},
	{"printiface", funcTag, 30},
	{"printeface", funcTag, 30},
	{"printslice", funcTag, 30},
	{"printnl", funcTag, 9},
	{"printsp", funcTag, 9},
	{"printlock", funcTag, 9},
	{"printunlock", funcTag, 9},
	{"concatstring2", funcTag, 34},
	{"concatstring3", funcTag, 35},
	{"concatstring4", funcTag, 36},
	{"concatstring5", funcTag, 37},

		case types.TSTRING:
			cs := ""
			if ir.IsConst(n, constant.String) {
				cs = ir.StringVal(n)
			}
			switch cs {
			case " ":
				on = typecheck.LookupRuntime("printsp")
			case "\n":
				on = typecheck.LookupRuntime("printnl")
			default:
				on = typecheck.LookupRuntime("printstring")
			}
		default:
			badtype(ir.OPRINT, n.Type(), nil)
			continue
		}