def LowerSoftmaxCrossEntropyWithLogitsOp : Pattern<
  (TF_SoftmaxCrossEntropyWithLogitsOp AnyRankedTensor:$features,
                                      AnyRankedTensor:$labels),
  [(TF_SumOp (TF_MulNoNanOp:$sum_input
                     (TF_LogSoftmaxOp $features),
                     (TF_NegOp $labels)),
             (TF_ConstOp (GetI64ScalarElementsAttr<-1>)),
             /*keep_dims=*/ConstBoolAttrFalse),

		posRow:    -1,
		rows:      setMRows,
		cols:      setColumns,
		colType:   setColType,
		errPos:    -1,
	}
	return cursor, nil
}

func (s *fakeStmt) NumInput() int {
	if s.panic == "NumInput" {
		panic(s.panic)
	}
	return s.placeholders
}

// hook to simulate broken connections
var hookCommitBadConn func() bool

func (tx *fakeTx) Commit() error {

	// placeholders, so we won't sanity check input here and instead let the
	// driver deal with errors.
	want := -1

	var si driver.Stmt
	var cc ccChecker
	if ds != nil {
		si = ds.si
		want = ds.si.NumInput()
		cc.want = want
	}

	// Check all types of interfaces from the start.
	// Drivers may opt to use the NamedValueChecker for special
	// argument types, then return driver.ErrSkip to pass it along