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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import "package:expect/expect.dart"; | |
6 | |
7 // Test hoisted (loop-invariant) smi operations with deoptimization. | 5 // Test hoisted (loop-invariant) smi operations with deoptimization. |
8 | 6 |
9 test_mul(h) { | 7 test_mul(h) { |
10 var x; | 8 var x; |
11 for (var i=0; i<3; i++) { | 9 for (var i=0; i<3; i++) { |
12 x = h * 100000; | 10 x = h * 100000; |
13 } | 11 } |
14 return x; | 12 return x; |
15 } | 13 } |
16 | 14 |
17 test_neg(h) { | 15 test_neg(h) { |
18 var x; | 16 var x; |
19 for (var i=0; i<3; i++) { | 17 for (var i=0; i<3; i++) { |
20 x = -h; | 18 x = -h; |
21 } | 19 } |
22 return x; | 20 return x; |
23 } | 21 } |
24 | 22 |
25 main() { | 23 main() { |
26 for (var i=0; i<10000; i++) test_mul(10); | 24 for (var i=0; i<10000; i++) test_mul(10); |
27 Expect.equals(1000000, test_mul(10)); | 25 Expect.equals(1000000, test_mul(10)); |
28 Expect.equals(100000000000, test_mul(1000000)); | 26 Expect.equals(100000000000, test_mul(1000000)); |
29 Expect.equals(100000 * 0x3fffffffffffffff, test_mul(0x3fffffffffffffff)); | 27 Expect.equals(100000 * 0x3fffffffffffffff, test_mul(0x3fffffffffffffff)); |
30 | 28 |
31 for (var i=0; i<10000; i++) test_neg(10); | 29 for (var i=0; i<10000; i++) test_neg(10); |
32 Expect.equals(-10, test_neg(10)); | 30 Expect.equals(-10, test_neg(10)); |
33 Expect.equals(0x40000000, test_neg(-0x40000000)); | 31 Expect.equals(0x40000000, test_neg(-0x40000000)); |
34 Expect.equals(0x4000000000000000, test_neg(-0x4000000000000000)); | 32 Expect.equals(0x4000000000000000, test_neg(-0x4000000000000000)); |
35 } | 33 } |
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