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Side by Side Diff: tests/language/vm/optimized_testsmi_test.dart

Issue 943273004: Fold BIT_NOT and NEGATE during constant propagation. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Add tests. Created 5 years, 10 months ago
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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 // VMOptions=--optimization_counter_threshold=10 4 // VMOptions=--optimization_counter_threshold=10
5 5
6 // Test branch optimization for TestSmiInstr 6 // Test branch optimization for TestSmiInstr
7 7
8 import "package:expect/expect.dart"; 8 import "package:expect/expect.dart";
9 9
10 test(bool b) { 10 test1(a, bool b) {
11 var a = 0;
12 if (b) { 11 if (b) {
13 a++; 12 a++;
14 } else { 13 } else {
15 a += 2; 14 a += 2;
16 } 15 }
17 if (a & 1 == 0) { 16 if (a & 1 == 0) {
18 return "even"; 17 return "even";
19 } 18 }
20 return "odd"; 19 return "odd";
21 } 20 }
22 21
23 main() { 22 test2(a, bool b) {
24 Expect.equals("odd", test(true)); 23 if (b) {
25 Expect.equals("even", test(false)); 24 a++;
26 for (var i=0; i<20; i++) test(false); 25 } else {
27 Expect.equals("odd", test(true)); 26 a += 2;
28 Expect.equals("even", test(false)); 27 }
28 if (a & 1 == 1) {
29 return "odd";
30 }
31 return "even";
29 } 32 }
30 33
34 test3(a, bool b) {
35 return test1(0, b);
36 }
37
38 test4(a, bool b) {
39 return test2(0, b);
40 }
41
42 run(test) {
43 Expect.equals("odd", test(0, true));
44 Expect.equals("even", test(0, false));
45 for (var i=0; i<20; i++) test(0, false);
46 Expect.equals("odd", test(0, true));
47 Expect.equals("even", test(0, false));
48 }
49
50 main() {
51 run(test1);
52 run(test2);
53 run(test3);
54 run(test4);
55 }
56
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