Files
sdk/tests/language_2/vm/optimized_shl_test.dart
T
Ben Konyi a87493f8ca Migrated test block 165 to Dart 2.0.
Minor changes to a couple of tests to make them strong-mode clean.

Bug:
Change-Id: Id0cac7a120dbdf940d101c3e5de8c206a0ad6342
Reviewed-on: https://dart-review.googlesource.com/4613
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2017-09-21 19:00:36 +00:00

20 lines
573 B
Dart

// Copyright (c) 2014, 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.
// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
import "package:expect/expect.dart";
// Test truncating left-shift that can deoptimize.
// Regression test for issue 19330.
test_shl(w, x) {
x += 1;
return w << x & 0xff;
}
main() {
for (var i = 0; i < 20; i++) test_shl(i, i % 10);
Expect.equals(4, test_shl(1, 1));
}