m &^= readTo
	case AXORL, AXORQ:
		// Register-clearing idiom doesn't read previous value.
		if p.From.Type == obj.TYPE_REG && p.To.Type == obj.TYPE_REG && p.From.Reg == p.To.Reg {
			m &^= readFrom | readTo
		}
	case AMULXL, AMULXQ:
		// These are write-only to both To and From3.
		m &^= readTo | readFrom3
		m |= writeFrom3
	}
	return m
}

		nb += n
		if err == io.EOF {
			break
		}
	}
	return string(b[0:nb])
}

type bufReader struct {
	name string
	fn   func(*Reader) string
}

var bufreaders = []bufReader{
	{"1", func(b *Reader) string { return reads(b, 1) }},
	{"2", func(b *Reader) string { return reads(b, 2) }},
	{"3", func(b *Reader) string { return reads(b, 3) }},

  // CHECK-NEXT: "tf.TPUExecuteAndUpdateVariables"(%[[READ_0]], %[[ARG_1]], %[[ARG_4]], %[[READ_5]], %[[COMPILE]]#1)
  // CHECK-SAME: device_var_reads_indices = [1, 2],
  // CHECK-SAME: device_var_updates_indices = [1, -1]
  %execute:3 = "tf_device.launch"() ({
    %0:3 = "tf.TPUExecute"(%read0, %read1, %read2, %read5, %compile#1) {
      Targs = [tensor<32xf32>, tensor<64xf32>, tensor<8xf32>, tensor<2xf32>],

  add_attrs(b_identity.node());
  auto read_u = ops::ReadVariableOp(scope.WithOpName("ReadU"), arg4, DT_FLOAT);
  add_attrs(read_u.node());
  auto read_v = ops::ReadVariableOp(scope.WithOpName("ReadV"), arg5, DT_FLOAT);
  add_attrs(read_v.node());
  auto read_w = ops::ReadVariableOp(scope.WithOpName("ReadW"), arg6, DT_FLOAT);
  add_attrs(read_w.node());

  auto e = ops::Add(scope.WithOpName("E"), arg0, arg2);

func HalfReader(r io.Reader) io.Reader { return &halfReader{r} }

type halfReader struct {
	r io.Reader
}

func (r *halfReader) Read(p []byte) (int, error) {
	return r.r.Read(p[0 : (len(p)+1)/2])
}

// DataErrReader changes the way errors are handled by a Reader. Normally, a
// Reader returns an error (typically EOF) from the first Read call after the
// last piece of data is read. DataErrReader wraps a Reader and changes its

	return r.error
}

// readSeekerFromReader converts an io.Reader into an io.ReadSeeker.
// In general Seek may not be efficient, but it is optimized for
// common cases such as seeking to the end to find the length of the
// data.
type readSeekerFromReader struct {
	reset  func() (io.Reader, error)
	r      io.Reader
	size   int64
	offset int64
}

func (r *readSeekerFromReader) start() {
	x, err := r.reset()

func (r *Reader) Read(b []byte) (n int, err error) {
	if r.i >= int64(len(r.s)) {
		return 0, io.EOF
	}
	r.prevRune = -1
	n = copy(b, r.s[r.i:])
	r.i += int64(n)
	return
}

// ReadAt implements the [io.ReaderAt] interface.
func (r *Reader) ReadAt(b []byte, off int64) (n int, err error) {
	// cannot modify state - see io.ReaderAt
	if off < 0 {

	"fmt"
	"io"

	"internal/trace/event"
	"internal/trace/version"
)

// Reader parses trace bytes with only very basic validation
// into an event stream.
type Reader struct {
	r     *bufio.Reader
	v     version.Version
	specs []event.Spec
}

// NewReader creates a new reader for the trace wire format.
func NewReader(r io.Reader) (*Reader, error) {
	br := bufio.NewReader(r)
	v, err := version.ReadHeader(br)

}

var errClosed = errors.New("lzw: reader/writer is closed")

// Close closes the [Reader] and returns an error for any future read operation.
// It does not close the underlying [io.Reader].
func (r *Reader) Close() error {
	r.err = errClosed // in case any Reads come along
	return nil
}

// Reset clears the [Reader]'s state and allows it to be reused again
// as a new [Reader].

	"github.com/minio/minio/internal/s3select/sql"

	"github.com/bcicen/jstream"
)

// Reader - JSON record reader for S3Select.
type Reader struct {
	args       *ReaderArgs
	decoder    *jstream.Decoder
	valueCh    chan *jstream.MetaValue
	readCloser io.ReadCloser
}

// Read - reads single record.
func (r *Reader) Read(dst sql.Record) (sql.Record, error) {
	v, ok := <-r.valueCh
	if !ok {