signalPassFailure();
    return;
  }

  // Copy all functions used by this signature to the final MLIR module.
  for (func::FuncOp func : module_ref->getOps<func::FuncOp>()) {
    // Do nothing if the function already exists.
    if (symbol_table.lookup(func.getSymName()) != nullptr) continue;

    // Set the function to private and insert to the module.
    func::FuncOp new_func = func.clone();

// Package sha3 implements the SHA-3 fixed-output-length hash functions and
// the SHAKE variable-output-length hash functions defined by FIPS-202.
//
// Both types of hash function use the "sponge" construction and the Keccak
// permutation. For a detailed specification see http://keccak.noekeon.org/
//
// # Guidance
//
// If you aren't sure what function you need, use SHAKE256 with at least 64

	)

	// TODO: test celgo function lists

	unexpected := functionNames.Difference(knownFunctions)
	missing := knownFunctions.Difference(functionNames)

	if len(unexpected) != 0 {
		t.Errorf("Expected all functions in the libraries to be assigned to a kubernetes release, but found the unexpected function names: %v", unexpected)
	}
	if len(missing) != 0 {

    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String sdh(java.lang.String)</function-signature>
    <example>${fe:sdh(doc.similar_docs_hash)}</example>
  </function>

  <function>
    <description>Concatenate strings.</description>
    <name>join</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>

  llvm::DenseMap<func::FuncOp, llvm::DenseSet<func::FuncOp>> caller_callee_map;

  // Use worklist to populate the set of reachable functions.
  std::queue<func::FuncOp> function_worklist;

  // Iterates over all functions within the module to (1) create caller-callee
  // map, and (2) initialize function worklist with functions referenced from
  // device cluster ops.
  for (auto func : module.getOps<func::FuncOp>()) {

# RUN: tf-mlir-translate -graphdef-to-mlir -tf-enable-shape-inference-on-import=false %s -o - | FileCheck %s

# Verify for functions with control return values, the island with only a
# consumed control return value has its control output added to the GraphOps
# FetchOp.

# Match the island containing the "tf.Neg", capture the output
# CHECK:          %[[ISLAND_0:[a-z_0-9]*]], %[[ISLAND_0_control:[a-z_0-9]*]] = tf_executor.island wraps "tf.Neg"

		return nil // Was not a Func.
	}
	return obj
}

// StaticCallee returns the target (function or method) of a static function
// call, if any. It returns nil for calls to builtins.
//
// Note: for calls of instantiated functions and methods, StaticCallee returns
// the corresponding generic function or method on the generic type.
func StaticCallee(info *types.Info, call *ast.CallExpr) *types.Func {

// WebsocketDialFunc a function for establishing a Websocket connection.
type WebsocketDialFunc func(dialer *websocket.Dialer, urlStr string, requestHeader http.Header) (*websocket.Conn, *http.Response, error)

// HTTPDoFunc a function for executing an HTTP request.
type HTTPDoFunc func(client *http.Client, req *http.Request) (*http.Response, error)

// TCPDialFunc a function for establishing a TCP connection.

 *       to <i>some</i> degree to make this unlikely. (Without this condition, a function that
 *       always returns zero could be called a hash function. It is not.)
 * </ul>
 *
 * <p>Summarizing the last two points: "equal yield equal <i>always</i>; unequal yield unequal
 * <i>often</i>." This is the most important characteristic of all hash functions.
 *
 * <h3>Desirable properties</h3>
 *

 *       to <i>some</i> degree to make this unlikely. (Without this condition, a function that
 *       always returns zero could be called a hash function. It is not.)
 * </ul>
 *
 * <p>Summarizing the last two points: "equal yield equal <i>always</i>; unequal yield unequal
 * <i>often</i>." This is the most important characteristic of all hash functions.
 *
 * <h3>Desirable properties</h3>
 *