dart-sdk/tests/language/unsorted/load_indexed_constant_test.dart
Robert Nystrom d4154ac6dc Migrate language_2/unsorted to NNBD.
Change-Id: Iad2963c7f9c184b089dc6d15aa4442f58d194bc2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151983
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
2020-06-26 18:34:14 +00:00

22 lines
726 B
Dart

// Copyright (c) 2013, 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.
// Test constant propagation of load-indexed operations
// VMOptions=--optimization-counter-threshold=10
import "package:expect/expect.dart";
main() {
Expect.equals(101, stringIndexedLoad());
Expect.equals(102, arrayIndexedLoad());
for (int i = 0; i < 20; i++) {
stringIndexedLoad();
arrayIndexedLoad();
}
Expect.equals(101, stringIndexedLoad());
Expect.equals(102, arrayIndexedLoad());
}
stringIndexedLoad() => ("Hello").codeUnitAt(1);
arrayIndexedLoad() => (const [101, 102, 103])[1];