tests/compiler/dart2js/codegen/dead_phi_eliminator_test.dart

// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:expect/expect.dart';
import 'package:async_helper/async_helper.dart';
import '../compiler_helper.dart';

const String TEST_ONE = r"""
void foo(bar) {
  var toBeRemoved = 1;
  if (bar) {
    toBeRemoved = 2;
  } else {
    toBeRemoved = 3;
  }
}
""";

main() {
  runTest({bool useKernel}) async {
    await compile(TEST_ONE, useKernel: useKernel, entry: 'foo',
        check: (String generated) {
      RegExp regexp = new RegExp("toBeRemoved");
      Expect.isTrue(!regexp.hasMatch(generated));
    });
  }

  asyncTest(() async {
    print('--test from ast---------------------------------------------------');
    await runTest(useKernel: false);
    print('--test from kernel------------------------------------------------');
    await runTest(useKernel: true);
  });
}