Christian Altamirano
c026589e69
Change-Id: Ia949732ffd431461eb8dc9f14bf398bc85b71dff Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/160800 Commit-Queue: Christian Altamirano <coam@google.com> Reviewed-by: Stephen Adams <sra@google.com>
72 lines
2.0 KiB
Dart
72 lines
2.0 KiB
Dart
// Copyright (c) 2020, 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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// @dart = 2.7
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import 'package:async_helper/async_helper.dart';
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import 'package:compiler/src/common.dart';
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import 'package:compiler/src/compiler.dart';
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import 'package:compiler/src/inferrer/powersets/powersets.dart';
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import 'package:compiler/src/inferrer/powersets/powerset_bits.dart';
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import 'package:compiler/src/world.dart';
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import 'package:expect/expect.dart';
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import '../helpers/element_lookup.dart';
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import '../helpers/memory_compiler.dart';
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const String CODE = """
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var a = true;
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var b = true;
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var c = true;
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var d = true;
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var e = func();
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var sink;
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bool func() {
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return false;
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}
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main() {
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b = func();
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c = b && a;
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d = a || b;
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e = false;
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sink = e;
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print(sink);
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}
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""";
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main() {
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retainDataForTesting = true;
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runTests() async {
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CompilationResult result = await runCompiler(
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memorySourceFiles: {'main.dart': CODE},
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options: ['--experimental-powersets']);
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Expect.isTrue(result.isSuccess);
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Compiler compiler = result.compiler;
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var results = compiler.globalInference.resultsForTesting;
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JClosedWorld closedWorld = results.closedWorld;
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PowersetDomain powersetDomain = closedWorld.abstractValueDomain;
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PowersetBitsDomain powersetBitsDomain = powersetDomain.powersetBitsDomain;
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checkBits(String name, bits) {
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var element = findMember(closedWorld, name);
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PowersetValue mask = results.resultOfMember(element).type;
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Expect.equals(bits, mask.powersetBits);
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}
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checkBits('a', powersetBitsDomain.trueValue);
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checkBits('b', powersetBitsDomain.boolValue);
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checkBits('c', powersetBitsDomain.boolValue);
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checkBits('d', powersetBitsDomain.boolValue);
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checkBits(
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'e', powersetBitsDomain.falseValue | powersetBitsDomain.nullValue);
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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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