// checkpoint files by "checkpoint keys".  These keys along with dtype and
  // shape / slice information allow RestoreV2 to look up a variable's value in
  // the SavedModel and restore it into a tensor.
  tensorflow::StatusOr<std::string> GetVariableCheckpointKey(int index);

  // Retrieves the object graph from the SavedModel.
  //

	CALL	runtime·cgocallbackg(SB)

	// Restore g->sched (== m->curg->sched) from saved values.
	MOV	0(X2), X7
	MOV	X7, (g_sched+gobuf_pc)(g)
	MOV	$(24+8)(X2), X6		// must match frame size
	MOV	X6, (g_sched+gobuf_sp)(g)

	// Switch back to m->g0's stack and restore m->g0->sched.sp.
	// (Unlike m->curg, the g0 goroutine never uses sched.pc,
	// so we do not have to restore it.)
	MOV	g_m(g), X5
	MOV	m_g0(X5), g

	JAL	runtime·cgocallbackg(SB)

	// Restore g->sched (== m->curg->sched) from saved values.
	MOVV	0(R3), R4
	MOVV	R4, (g_sched+gobuf_pc)(g)
	MOVV	$(24+8)(R3), R13 // must match frame size
	MOVV	R13, (g_sched+gobuf_sp)(g)

	// Switch back to m->g0's stack and restore m->g0->sched.sp.
	// (Unlike m->curg, the g0 goroutine never uses sched.pc,
	// so we do not have to restore it.)
	MOVV	g_m(g), R12
	MOVV	m_g0(R12), g

	JAL	runtime·cgocallbackg(SB)

	// Restore g->sched (== m->curg->sched) from saved values.
	MOVW	0(R29), R4
	MOVW	R4, (g_sched+gobuf_pc)(g)
	MOVW	$(12+4)(R29), R2	// must match frame size
	MOVW	R2, (g_sched+gobuf_sp)(g)

	// Switch back to m->g0's stack and restore m->g0->sched.sp.
	// (Unlike m->curg, the g0 goroutine never uses sched.pc,
	// so we do not have to restore it.)
	MOVW	g_m(g), R3
	MOVW	m_g0(R3), g

nosaveg:
	BL	R9					// to vdso lookup

finish:
	MOVD	0(R15), R3		// sec
	MOVD	8(R15), R5		// nsec
	MOVD	R7, R15			// Restore SP

	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.
	// If we are not in a signal handler, we'll restore vdsoSP to 0,
	// and no one will care about vdsoPC. If we are in a signal handler,
	// we cannot receive another signal.
	MOVD	24(R15), R12

// RUN: tf-tfrt-opt -tf-restore-pruning %s | FileCheck %s

// CHECK-LABEL:   func.func @prune_unused_restore
func.func @prune_unused_restore() {
  %cst = "tf.Const"() <{value = dense<"restore_ariables"> : tensor<!tf_type.string>}> : () -> tensor<!tf_type.string>
  %cst_0 = "tf.Const"() <{value = dense<""> : tensor<1x!tf_type.string>}> : () -> tensor<1x!tf_type.string>

    public Snapshot setLevel(LogLevel logLevel) {
        return dummy();
    }

    @Override
    public Snapshot startCapture() {
        return dummy();
    }

    @Override
    public void restore(Snapshot state) {}

    private Snapshot dummy() {
        return new Snapshot() {};
    }

    /**
     * Snapshots the current configuration state of this logging system.
     */
    Snapshot snapshot();

    /**
     * Resets this logging system to some previous configuration state.
     */
    void restore(Snapshot state);

    interface Snapshot {
    }

	MOVL	$_rt0_386_lib_go(SB), BX
	MOVL	BX, 0(SP)
	MOVL	$0, 4(SP)

	CALL	AX

	MOVL	BP, SP

	JMP	restore

nocgo:
	MOVL	$0x800000, 0(SP)                    // stacksize = 8192KB
	MOVL	$_rt0_386_lib_go(SB), AX
	MOVL	AX, 4(SP)                           // fn
	CALL	runtime·newosproc0(SB)

restore:
	ADDL	$8, SP
	POPL	DI
	POPL	SI
	POPL	BX
	POPL	BP
	RET

// _rt0_386_lib_go initializes the Go runtime.

	}()

	finished := false
	start := time.Now()

	// Clean up in a deferred call so we can recover if the example panics.
	defer func() {
		timeSpent := time.Since(start)

		// Close pipe, restore stdout, get output.
		w.Close()
		os.Stdout = stdout
		out := <-outC

		err := recover()
		ok = eg.processRunResult(out, timeSpent, finished, err)
	}()

	// Run example.
	eg.F()
	finished = true