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1 // Copyright (c) 2011, 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 various optimizations and deoptimizations of optimizing compiler.. | |
5 | |
6 addThem(a, b) { | |
7 return a + b; | |
8 } | |
9 | |
10 isItInt(a) { | |
11 return a is int; | |
12 } | |
13 | |
14 doNeg(a) { | |
15 return -a; | |
16 } | |
17 | |
18 doNeg2(a) { | |
19 return -a; | |
20 } | |
21 | |
22 doNot(a) { | |
23 return !a; | |
24 } | |
25 | |
26 doBitNot(a) { | |
27 return ~a; | |
28 } | |
29 | |
30 doStore1(a, v) { | |
31 a[1] = v; | |
32 } | |
33 | |
34 doStore2(a, v) { | |
35 a[2] = v; | |
36 } | |
37 | |
38 class StringPlus { | |
39 const StringPlus(String this._val); | |
40 operator + (right) => new StringPlus("${_val}${right}"); | |
41 toString() => _val; | |
42 | |
43 final String _val; | |
44 } | |
45 | |
46 main() { | |
47 for (int i = 0; i < 2000; i++) { | |
48 Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString()); | |
49 Expect.equals(true, isItInt(5)); | |
50 } | |
51 Expect.equals(8, addThem(3, 5)); | |
52 for (int i = 0; i < 2000; i++) { | |
53 Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString()); | |
54 Expect.equals(8, addThem(3, 5)); | |
55 } | |
56 for (int i = -500; i < 500; i++) { | |
57 var r = doNeg(i); | |
58 var p = doNeg(r); | |
59 Expect.equals(i, p); | |
60 } | |
61 var maxSmi = (1 << 30) - 1; | |
62 Expect.equals(maxSmi, doNeg(doNeg(maxSmi))); | |
63 // Deoptimize because of overflow. | |
64 var minInt = -(1 << 30); | |
65 Expect.equals(minInt, doNeg(doNeg(minInt))); | |
66 | |
67 for (int i = 0; i < 1000; i++) { | |
68 Expect.equals(false, doNot(true)); | |
69 Expect.equals(true, doNot(doNot(true))); | |
70 } | |
71 for (int i = 0; i < 1000; i++) { | |
72 Expect.equals(-57, doBitNot(56)); | |
73 Expect.equals(55, doBitNot(-56)); | |
74 } | |
75 | |
76 for (int i = 0; i < 2000; i++) { | |
77 Expect.equals(-2.2, doNeg2(2.2)); | |
78 } | |
79 // Deoptimize. | |
80 Expect.equals(-5, doNeg2(5)); | |
81 | |
82 var fixed = new List(10); | |
83 var growable = [1, 2, 3, 4, 5]; | |
84 | |
85 for (int i = 0; i < 2000; i++) { | |
86 doStore1(fixed, 7); | |
87 Expect.equals(7, fixed[1]); | |
88 doStore2(growable, 12); | |
89 Expect.equals(12, growable[2]); | |
90 } | |
91 | |
92 // Deoptimize. | |
93 doStore1(growable, 8); | |
94 Expect.equals(8, growable[1]); | |
95 doStore2(fixed, 101); | |
96 Expect.equals(101, fixed[2]); | |
97 } | |
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