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![Leaf Petersen](/assets/img/avatar_default.png)
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
36 lines
890 B
Dart
36 lines
890 B
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// Tests optimization: transform double.toInt() to DoubleToSmi
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// unless we encounter a non-Smi result, in which case we deoptimize and
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// optimize it later to DoubleToInt.
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// @dart = 2.9
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import "package:expect/expect.dart";
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main() {
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for (int i = 0; i < 600; i++) {
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Expect.equals(100, foo(100, 1.2));
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}
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// Deoptimize 'foo', d2smi -> d2int.
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Expect.equals(36507222016 * 2, foo(2, 36507222016.6));
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for (int i = 0; i < 600; i++) {
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Expect.equals(100, foo(100, 1.2));
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}
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Expect.equals(36507222016 * 2, foo(2, 36507222016.6));
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}
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foo(n, a) {
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int k = 0;
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for (int i = 0; i < n; i++) {
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k += goo(a);
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}
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return k;
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}
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goo(a) {
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return a.toInt();
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}
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