Robert Nystrom
2034061433
Change-Id: I313a57ed7c7ea2ada75065f55a7367376f6bdae5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/152183 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>
101 lines
2.2 KiB
Dart
101 lines
2.2 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test various optimizations and deoptimizations of optimizing compiler..
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// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
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import "package:expect/expect.dart";
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addThem(a, b) {
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return a + b;
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}
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isItInt(a) {
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return a is int;
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}
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doNeg(a) {
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return -a;
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}
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doNeg2(a) {
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return -a;
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}
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doNot(a) {
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return !a;
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}
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doBitNot(a) {
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return ~a;
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}
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doStore1(a, v) {
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a[1] = v;
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}
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doStore2(a, v) {
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a[2] = v;
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}
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class StringPlus {
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const StringPlus(String this._val);
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operator +(right) => new StringPlus("${_val}${right}");
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toString() => _val;
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final String _val;
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}
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main() {
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for (int i = 0; i < 20; i++) {
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Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString());
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Expect.equals(true, isItInt(5));
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}
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Expect.equals(8, addThem(3, 5));
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for (int i = 0; i < 20; i++) {
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Expect.stringEquals("HI 5", addThem(const StringPlus("HI "), 5).toString());
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Expect.equals(8, addThem(3, 5));
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}
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for (int i = -10; i < 10; i++) {
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var r = doNeg(i);
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var p = doNeg(r);
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Expect.equals(i, p);
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}
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var maxSmi = (1 << 30) - 1;
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Expect.equals(maxSmi, doNeg(doNeg(maxSmi)));
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// Deoptimize because of overflow.
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var minInt = -(1 << 30);
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Expect.equals(minInt, doNeg(doNeg(minInt)));
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for (int i = 0; i < 20; i++) {
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Expect.equals(false, doNot(true));
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Expect.equals(true, doNot(doNot(true)));
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}
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for (int i = 0; i < 20; i++) {
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Expect.equals(-57, doBitNot(56));
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Expect.equals(55, doBitNot(-56));
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}
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for (int i = 0; i < 20; i++) {
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Expect.equals(-2.2, doNeg2(2.2));
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}
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// Deoptimize.
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Expect.equals(-5, doNeg2(5));
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var fixed = new List<dynamic>.filled(10, null);
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var growable = [1, 2, 3, 4, 5];
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for (int i = 0; i < 20; i++) {
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doStore1(fixed, 7);
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Expect.equals(7, fixed[1]);
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doStore2(growable, 12);
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Expect.equals(12, growable[2]);
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}
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// Deoptimize.
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doStore1(growable, 8);
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Expect.equals(8, growable[1]);
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doStore2(fixed, 101);
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Expect.equals(101, fixed[2]);
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}
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