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Change-Id: I313a57ed7c7ea2ada75065f55a7367376f6bdae5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152183 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>
36 lines
874 B
Dart
36 lines
874 B
Dart
// Copyright (c) 2013, 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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// Test deoptimization on an optimistically hoisted smi check.
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// VMOptions=--optimization-counter-threshold=10 --no-background-compilation
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import 'package:expect/expect.dart';
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sum(a, b) {
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var sum = 0;
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for (var j = 1; j < 10; j++) {
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for (var i = a; i < b; i++) {
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sum++;
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}
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}
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return sum;
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}
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mask(x) {
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for (var i = 0; i < 10; i++) {
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if (i == 1) {
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return x;
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}
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x = x & 0xFF;
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}
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}
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main() {
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for (var i = 0; i < 20; i++) {
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Expect.equals(9, sum(1, 2));
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Expect.equals(0xAB, mask(0xAB));
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}
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Expect.equals(9, sum(1.0, 2.0)); // Passing double causes deoptimization.
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Expect.equals(0xAB, mask(0x1000000AB));
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}
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