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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 inlining of instance getters. | |
5 // Three classes access always the same field. Optimize method foo and inline | |
6 // getter for classes 'A' and 'B'. Call later via 'C' and cause deoptimization. | |
7 | |
8 class A { | |
9 int f; | |
10 A(this.f) {} | |
11 int foo() { | |
12 return f; // <-- inline getter for classes 'A' and 'B'. | |
13 } | |
14 } | |
15 | |
16 class B extends A { | |
17 B() : super(2) {} | |
18 } | |
19 | |
20 class C extends A { | |
21 C() : super(10) {} | |
22 } | |
23 | |
24 class InlineGetterTest { | |
25 static testMain() { | |
26 var a = new A(1); | |
27 var b = new B(); | |
28 int sum = 0; | |
29 for (int i = 0; i < 5000; i++) { | |
30 sum += a.foo(); | |
31 sum += b.foo(); | |
32 } | |
33 var c = new C(); | |
34 sum += c.foo(); // <-- Deoptimizing. | |
35 Expect.equals(15010, sum); | |
36 } | |
37 } | |
38 | |
39 main() { | |
40 InlineGetterTest.testMain(); | |
41 } | |
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