| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // Test various optimizations and deoptimizations of optimizing compiler.. |
| // VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation |
| |
| import "package:expect/expect.dart"; |
| |
| addThem(a, b) { |
| return a + b; |
| } |
| |
| isItInt(a) { |
| return a is int; |
| } |
| |
| doNeg(a) { |
| return -a; |
| } |
| |
| doNeg2(a) { |
| return -a; |
| } |
| |
| doNot(a) { |
| return !a; |
| } |
| |
| doBitNot(a) { |
| return ~a; |
| } |
| |
| doStore1(a, v) { |
| a[1] = v; |
| } |
| |
| doStore2(a, v) { |
| a[2] = v; |
| } |
| |
| class StringPlus { |
| const StringPlus(String this._val); |
| operator +(right) => new StringPlus("${_val}${right}"); |
| toString() => _val; |
| |
| final String _val; |
| } |
| |
| main() { |
| for (int i = 0; i < 20; i++) { |
| Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString()); |
| Expect.equals(true, isItInt(5)); |
| } |
| Expect.equals(8, addThem(3, 5)); |
| for (int i = 0; i < 20; i++) { |
| Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString()); |
| Expect.equals(8, addThem(3, 5)); |
| } |
| for (int i = -10; i < 10; i++) { |
| var r = doNeg(i); |
| var p = doNeg(r); |
| Expect.equals(i, p); |
| } |
| var maxSmi = (1 << 30) - 1; |
| Expect.equals(maxSmi, doNeg(doNeg(maxSmi))); |
| // Deoptimize because of overflow. |
| var minInt = -(1 << 30); |
| Expect.equals(minInt, doNeg(doNeg(minInt))); |
| |
| for (int i = 0; i < 20; i++) { |
| Expect.equals(false, doNot(true)); |
| Expect.equals(true, doNot(doNot(true))); |
| } |
| for (int i = 0; i < 20; i++) { |
| Expect.equals(-57, doBitNot(56)); |
| Expect.equals(55, doBitNot(-56)); |
| } |
| |
| for (int i = 0; i < 20; i++) { |
| Expect.equals(-2.2, doNeg2(2.2)); |
| } |
| // Deoptimize. |
| Expect.equals(-5, doNeg2(5)); |
| |
| var fixed = new List(10); |
| var growable = [1, 2, 3, 4, 5]; |
| |
| for (int i = 0; i < 20; i++) { |
| doStore1(fixed, 7); |
| Expect.equals(7, fixed[1]); |
| doStore2(growable, 12); |
| Expect.equals(12, growable[2]); |
| } |
| |
| // Deoptimize. |
| doStore1(growable, 8); |
| Expect.equals(8, growable[1]); |
| doStore2(fixed, 101); |
| Expect.equals(101, fixed[2]); |
| } |