Johnni Winther
9bac9ee596
Change-Id: Ief047cc08b3df47be3381336ec37ed24c53e6302 Reviewed-on: https://dart-review.googlesource.com/53980 Reviewed-by: Sigmund Cherem <sigmund@google.com>
86 lines
1.8 KiB
Dart
86 lines
1.8 KiB
Dart
// Copyright (c) 2016, 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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import 'package:async_helper/async_helper.dart';
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import '../compiler_helper.dart';
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const String MOD1 = r"""
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foo(param) {
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var a = param ? 0xFFFFFFFF : 1;
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return a % 2;
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// present: ' % 2'
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// absent: '$mod'
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}
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""";
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const String MOD2 = r"""
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foo(param) {
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var a = param ? 0xFFFFFFFF : -0.0;
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return a % 2;
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// Cannot optimize due to potential -0.
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// present: '$mod'
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// absent: ' % 2'
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}
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""";
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const String MOD3 = r"""
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foo(param) {
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var a = param ? 0xFFFFFFFF : -0.0;
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return (a + 1) % 2;
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// 'a + 1' cannot be -0.0, so we can optimize.
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// present: ' % 2'
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// absent: '$mod'
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}
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""";
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const String REM1 = r"""
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foo(param) {
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var a = param ? 0xFFFFFFFF : 1;
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return a.remainder(2);
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// Above can be compiled to '%'.
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// present: ' % 2'
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// absent: 'remainder'
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}
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""";
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const String REM2 = r"""
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foo(param) {
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var a = param ? 123.4 : -1;
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return a.remainder(3);
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// Above can be compiled to '%'.
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// present: ' % 3'
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// absent: 'remainder'
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}
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""";
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const String REM3 = r"""
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foo(param) {
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var a = param ? 123 : null;
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return 100.remainder(a);
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// No specialization for possibly null inputs.
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// present: 'remainder'
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// absent: '%'
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}
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""";
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main() {
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runTests() async {
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check(String test) async {
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await compile(test, entry: 'foo', check: checkerForAbsentPresent(test));
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}
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await check(MOD1);
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await check(MOD2);
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await check(MOD3);
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await check(REM1);
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await check(REM2);
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await check(REM3);
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}
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asyncTest(() async {
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print('--test from kernel------------------------------------------------');
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await runTests();
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});
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}
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