m |= ModeDir | 0111
		}

		switch fs.filetype {
		case syscall.FILE_TYPE_PIPE:
			m |= ModeNamedPipe
		case syscall.FILE_TYPE_CHAR:
			m |= ModeDevice | ModeCharDevice
		}
	}

	if fs.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT != 0 {
		switch fs.ReparseTag {
		case syscall.IO_REPARSE_TAG_SYMLINK:
			m |= ModeSymlink

		},
	}
)

// unexpectedFileMode is a sentinel (and bogus) os.FileMode
// value used to represent a syscall.DT_UNKNOWN Dirent.Type.
const unexpectedFileMode os.FileMode = os.ModeNamedPipe | os.ModeSocket | os.ModeDevice

func parseDirEnt(buf []byte) (consumed int, name []byte, typ os.FileMode, err error) {
	// golang.org/issue/15653
	dirent := (*syscall.Dirent)(unsafe.Pointer(&buf[0]))

	}
	// err in call to os.Stat
	if err != nil {
		return false, fmt.Errorf(
			"PathIsDevice failed for path %q: %v",
			pathname,
			err)
	}
	// path refers to a device
	if finfo.Mode()&os.ModeDevice != 0 {
		isDevice = true
	}

	if !isDevice {
		klog.Errorf("Path %q is not referring to a device.", pathname)
		return false, nil
	}
	fd, errno := unix.Open(pathname, unix.O_RDONLY|unix.O_EXCL|unix.O_CLOEXEC, 0)

		t.Fatal(err)
	}
	if got, want := fi.Mode(), os.ModeDevice|os.ModeCharDevice|0666; got != want {
		t.Errorf("Open(%q).Stat().Mode() = %v, want %v", "NUL", got, want)
	}
}

func TestStatNUL(t *testing.T) {
	t.Parallel()

	fi, err := os.Stat("NUL")
	if err != nil {
		t.Fatal(err)
	}
	if got, want := fi.Mode(), os.ModeDevice|os.ModeCharDevice|0666; got != want {

	pre := fmt.Sprintf("%s(%q): ", statname, devNullName)
	if fi.Size() != 0 {
		t.Errorf(pre+"wrong file size have %d want 0", fi.Size())
	}
	if fi.Mode()&ModeDevice == 0 {
		t.Errorf(pre+"wrong file mode %q: ModeDevice is not set", fi.Mode())
	}
	if fi.Mode()&ModeCharDevice == 0 {
		t.Errorf(pre+"wrong file mode %q: ModeCharDevice is not set", fi.Mode())
	}
	if fi.Mode().IsRegular() {

pkg os (linux-arm), const O_SYNC = 4096
pkg os (linux-arm-cgo), const O_SYNC = 1052672
pkg os (linux-arm-cgo), const O_SYNC = 4096
pkg os, const ModeAppend FileMode
pkg os, const ModeCharDevice FileMode
pkg os, const ModeDevice FileMode
pkg os, const ModeDir FileMode
pkg os, const ModeExclusive FileMode
pkg os, const ModeIrregular FileMode
pkg os, const ModeNamedPipe FileMode
pkg os, const ModePerm FileMode
pkg os, const ModeSetgid FileMode

				data, origdata)
		}
	}
}

func TestWriterAddFSNonRegularFiles(t *testing.T) {
	fsys := fstest.MapFS{
		"device":  {Data: []byte("hello"), Mode: 0755 | fs.ModeDevice},
		"symlink": {Data: []byte("world"), Mode: 0755 | fs.ModeSymlink},
	}
	var buf bytes.Buffer
	tw := NewWriter(&buf)
	if err := tw.AddFS(fsys); err == nil {
		t.Fatal("expected error, got nil")
	}

        tf_device.return %identity : tensor<i32>
      }) {device = "some_device"} : () -> (tensor<i32>)
      return %launch : tensor<i32>
    }
    ```

    will be transformed into:

    ```mlir
    func @computation(%arg0: tensor<i32>) -> tensor<i32> {
      %launch = "tf_device.launch_func"(%arg0) {device = "some_device", func = @_func} : (tensor<i32>) -> tensor<i32>
      return %launch : tensor<i32>

    tf_device.return %identity : tensor<i32>
  }) {device = "some_device"} : () -> (tensor<i32>)
  return %launch : tensor<i32>
}
```

will be transformed into:

```mlir
func @computation(%arg0: tensor<i32>) -> tensor<i32> {
  %launch = "tf_device.launch_func"(%arg0) {device = "some_device", func = @_func} : (tensor<i32>) -> tensor<i32>
  return %launch : tensor<i32>
}

pkg io/fs, const ModeAppend = 1073741824
pkg io/fs, const ModeAppend FileMode
pkg io/fs, const ModeCharDevice = 2097152
pkg io/fs, const ModeCharDevice FileMode
pkg io/fs, const ModeDevice = 67108864
pkg io/fs, const ModeDevice FileMode
pkg io/fs, const ModeDir = 2147483648
pkg io/fs, const ModeDir FileMode
pkg io/fs, const ModeExclusive = 536870912
pkg io/fs, const ModeExclusive FileMode