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Side by Side Diff: tests/language/deopt_hoisted_smi_check_vm_test.dart

Issue 23103010: Add issue numbers to language tests status files (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Addressed comments Created 7 years, 3 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4 // Test deoptimization on an optimistically hoisted smi check.
5 // VMOptions=--optimization-counter-threshold=10
6
7 import 'package:expect/expect.dart';
8
9 sum(a, b) {
10 var sum = 0;
11 for (var j = 1; j < 10; j++) {
12 for (var i = a; i < b; i++) {
13 sum++;
14 }
15 }
16 return sum;
17 }
18
19 mask(x) {
20 for (var i = 0; i < 10; i++) {
21 if (i == 1) {
22 return x;
23 }
24 x = x & 0xFF;
25 }
26 }
27
28 main() {
29 for (var i = 0; i < 20; i++) {
30 Expect.equals(9, sum(1, 2));
31 Expect.equals(0xAB, mask(0xAB));
32 }
33 Expect.equals(9, sum(1.0, 2.0)); // Passing double causes deoptimization.
34 Expect.equals(0xAB, mask(0x1000000AB));
35 }
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