seen := map[*Package]bool{}
	all := []*Package{}
	var walk func(*Package)
	walk = func(p *Package) {
		if seen[p] {
			return
		}
		seen[p] = true
		for _, p1 := range p.Internal.Imports {
			walk(p1)
		}
		all = append(all, p)
	}
	for _, root := range roots {
		walk(root)
	}
	return all
}

	}
	// mark resync status as resync started
	if !heal {
		s.markStatus(ResyncStarted, opts, objectAPI)
	}

	// Walk through all object versions - Walk() is always in ascending order needed to ensure
	// delete marker replicated to target after object version is first created.
	if err := objectAPI.Walk(ctx, opts.bucket, "", objInfoCh, WalkOptions{}); err != nil {
		replLogIf(ctx, err)
		return
	}

	s.RLock()

func actionList(root *Action) []*Action {
	seen := map[*Action]bool{}
	all := []*Action{}
	var walk func(*Action)
	walk = func(a *Action) {
		if seen[a] {
			return
		}
		seen[a] = true
		for _, a1 := range a.Deps {
			walk(a1)
		}
		all = append(all, a)
	}
	walk(root)
	return all
}

// Do runs the action graph rooted at root.
func (b *Builder) Do(ctx context.Context, root *Action) {

	if outer != 0 {
		off += ldr.SymValue(s) - ldr.SymValue(outer)
		s = outer
	}
	return s, off
}

// relocsym resolve relocations in "s", updating the symbol's content
// in "P".
// The main loop walks through the list of relocations attached to "s"
// and resolves them where applicable. Relocations are often
// architecture-specific, requiring calls into the 'archreloc' and/or

    if (attrs && !attrs.empty()) {
      entry_functions.push_back(main_fn);
    } else {
      non_entry_functions.push_back(main_fn);
    }
  }

  // Walk over the module collection ops with functions and while ops.
  module_.walk([&](FuncOp fn) {
    if (main_fn == fn) return WalkResult::advance();
    auto attrs = fn->getAttrOfType<mlir::DictionaryAttr>("tf.entry_function");
    if (attrs && !attrs.empty()) {

      op.getShapeInferenceGraphAttr().getRootReference());

  if (func == nullptr) return false;

  std::vector<_XlaRecvAtHostOp> xla_recv_at_host_ops;
  func.walk([&](_XlaRecvAtHostOp op) { xla_recv_at_host_ops.push_back(op); });
  if (xla_recv_at_host_ops.empty()) return false;
  auto xla_recv_at_host_op = xla_recv_at_host_ops.front();

    ```
  }];

  let constructor = "CreateExecutorDialectToFunctionalConversionPass()";
}

def ExecutorIslandCoarseningPass : Pass<"tf-executor-island-coarsening", "mlir::func::FuncOp"> {
  let summary = "Walks tf_executor::GraphOp and merges individual tf_executor::IslandOps.";
  let description = [{
    This pass performs whole graph analysis for a graph encapsulated into tf_executor::GraphOp.

// Go version reports the Go version used to build each of the named files.
//
// If no files are named on the command line, go version prints its own
// version information.
//
// If a directory is named, go version walks that directory, recursively,
// looking for recognized Go binaries and reporting their versions.
// By default, go version does not report unrecognized files found

              (Const32 <typ.UInt32> [int32((1<<32)%c)])))
          (Const32 <typ.UInt32> [int32(c)]))))

// For 64-bit divides on 64-bit machines
// (64-bit divides on 32-bit machines are lowered to a runtime call by the walk pass.)
(Div64u x (Const64 [c])) && umagicOK64(c) && config.RegSize == 8 && umagic64(c).m&1 == 0 && config.useHmul =>
  (Rsh64Ux64 <typ.UInt64>
    (Hmul64u <typ.UInt64>

	// on an OS stack, we must keep a reference to mp alive so that the GC
	// doesn't free mp while we are still using it.
	//
	// Note that the free list must not be linked through alllink because
	// some functions walk allm without locking, so may be using alllink.
	//
	// N.B. It's important that the M appears on the free list simultaneously
	// with it being removed so that the tracer can find it.
	mp.freeWait.Store(freeMWait)