blob: ed8caa14d501d4b40bdf940633b4b05f7e62648e [file] [log] [blame]
// 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.
// Test deoptimization caused by running code that did not collect type
// feedback before.
// VMOptions=--optimization-counter-threshold=10 --no-use-osr
import "package:expect/expect.dart";
testStoreIndexed() {
test(a, i, v, flag) {
if (flag) {
// No type feedback in first pass
return a[i] = v;
} else {
return a[i] = i;
}
}
var a = new List<dynamic>.filled(10, null);
for (var i = 0; i < 20; i++) {
var r = test(a, 3, 888, false);
Expect.equals(3, r);
Expect.equals(3, a[3]);
}
// Deopt.
var r = test(a, 3, 888, true);
Expect.equals(888, r);
Expect.equals(888, a[3]);
}
testIncrLocal() {
test(a, flag) {
if (flag) {
a++;
return a;
} else {
return -1;
}
}
for (var i = 0; i < 20; i++) {
var r = test(10, false);
Expect.equals(-1, r);
}
// Deopt.
var r = test(10, true);
Expect.equals(11, r);
}
main() {
for (var i = 0; i < 20; i++) {}
testStoreIndexed();
testIncrLocal();
}