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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 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 | 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 // Dart test optimization of modulo operator on Smi. | 4 // Dart test optimization of modulo operator on Smi. |
5 // VMOptions=--optimization-counter-threshold=10 --no-use-osr | 5 // VMOptions=--optimization-counter-threshold=10 --no-use-osr |
6 | 6 |
7 import "package:expect/expect.dart"; | 7 import "package:expect/expect.dart"; |
8 | 8 |
9 | 9 |
10 main() { | 10 main() { |
11 // Prime IC cache. | 11 // Prime IC cache. |
12 noDom(1); | 12 noDom(1); |
13 noDom(-1); | 13 noDom(-1); |
14 for (int i = -30; i < 30; i++) { | 14 for (int i = -30; i < 30; i++) { |
15 Expect.equals(i % 256, foo(i)); | 15 Expect.equals(i % 256, foo(i)); |
16 Expect.equals(i % -256, boo(i)); | 16 Expect.equals(i % -256, boo(i)); |
17 Expect.throws(() => hoo(i), (e) => e is IntegerDivisionByZeroException); | 17 Expect.throws(() => hoo(i), (e) => e is IntegerDivisionByZeroException); |
18 | 18 |
19 Expect.equals(i ~/ 254 + i % 254, fooTwo(i)); | 19 Expect.equals(i ~/ 254 + i % 254, fooTwo(i)); |
20 Expect.equals(i ~/ -254 + i % -254, booTwo(i)); | 20 Expect.equals(i ~/ -254 + i % -254, booTwo(i)); |
21 Expect.throws(() => hooTwo(i), (e) => e is IntegerDivisionByZeroException); | 21 Expect.throws(() => hooTwo(i), (e) => e is IntegerDivisionByZeroException); |
22 if (i > 0) { | 22 if (i > 0) { |
23 Expect.equals(i % 10, noDom(i)); | 23 Expect.equals(i % 10, noDom(i)); |
24 } else { | 24 } else { |
25 Expect.equals(i ~/ 10, noDom(i)); | 25 Expect.equals(i ~/ 10, noDom(i)); |
26 } | 26 } |
27 Expect.equals((i ~/ 10) + (i ~/ 10) + (i % 10), threeOp(i)); | 27 Expect.equals((i ~/ 10) + (i % 10) + (i % 10), threeOp(i)); |
28 Expect.equals((i ~/ 10) + (i ~/ 12) + (i % 10) + (i % 12), fourOp(i)); | 28 Expect.equals((i ~/ 10) + (i ~/ 12) + (i % 10) + (i % 12), fourOp(i)); |
29 | 29 |
30 // Zero test is done outside the loop. | 30 // Zero test is done outside the loop. |
31 if (i < 0) { | 31 if (i < 0) { |
32 Expect.equals(i % -i, foo2(i)); | 32 Expect.equals(i % -i, foo2(i)); |
33 Expect.equals(i ~/ -i + i % -i, fooTwo2(i)); | 33 Expect.equals(i ~/ -i + i % -i, fooTwo2(i)); |
34 } else if (i > 0) { | 34 } else if (i > 0) { |
35 Expect.equals(i % i, foo2(i)); | 35 Expect.equals(i % i, foo2(i)); |
36 Expect.equals(i ~/ i + i % i, fooTwo2(i)); | 36 Expect.equals(i ~/ i + i % i, fooTwo2(i)); |
37 } | 37 } |
(...skipping 15 matching lines...) Expand all Loading... |
53 if (a > 0) { | 53 if (a > 0) { |
54 x = a % 10; | 54 x = a % 10; |
55 } else { | 55 } else { |
56 x = a ~/ 10; | 56 x = a ~/ 10; |
57 } | 57 } |
58 return x; | 58 return x; |
59 } | 59 } |
60 | 60 |
61 threeOp(a) { | 61 threeOp(a) { |
62 var x = a ~/ 10; | 62 var x = a ~/ 10; |
63 var y = a ~/ 10; | 63 var y = a % 10; |
64 var z = a % 10; | 64 var z = a % 10; |
65 return x + y + z; | 65 return x + y + z; |
66 } | 66 } |
67 | 67 |
68 | 68 |
69 fourOp(a) { | 69 fourOp(a) { |
70 var x0 = a ~/ 10; | 70 var x0 = a ~/ 10; |
71 var x1 = a ~/ 12; | 71 var x1 = a ~/ 12; |
72 var y0 = a % 10; | 72 var y0 = a % 10; |
73 var y1 = a % 12; | 73 var y1 = a % 12; |
(...skipping 15 matching lines...) Expand all Loading... |
89 fooTwo2(i) { | 89 fooTwo2(i) { |
90 // Make sure x has a range computed. | 90 // Make sure x has a range computed. |
91 var x = 0; | 91 var x = 0; |
92 if (i < 0) { | 92 if (i < 0) { |
93 x = -i; | 93 x = -i; |
94 } else { | 94 } else { |
95 x = i; | 95 x = i; |
96 } | 96 } |
97 return i ~/ x + i % x; | 97 return i ~/ x + i % x; |
98 } | 98 } |
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