| // Copyright (c) 2019, the R8 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. |
| |
| package com.android.tools.r8.ir.optimize.inliner; |
| |
| import static com.android.tools.r8.ir.optimize.inliner.testclasses.InliningIntoVisibilityBridgeTestClasses.getClassA; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isRenamed; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ir.optimize.inliner.testclasses.InliningIntoVisibilityBridgeTestClasses; |
| import com.android.tools.r8.ir.optimize.inliner.testclasses.InliningIntoVisibilityBridgeTestClasses.InliningIntoVisibilityBridgeTestClassB; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** Regression test for b/120118197. */ |
| @RunWith(Parameterized.class) |
| public class InliningIntoVisibilityBridgeTest extends TestBase { |
| |
| private final boolean neverInline; |
| |
| @Parameters(name = "Never inline: {0}") |
| public static Boolean[] data() { |
| return BooleanUtils.values(); |
| } |
| |
| public InliningIntoVisibilityBridgeTest(boolean neverInline) { |
| this.neverInline = neverInline; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("Hello world", "Hello world", "Hello world"); |
| |
| R8TestRunResult result = |
| testForR8(Backend.DEX) |
| .addInnerClasses(InliningIntoVisibilityBridgeTest.class) |
| .addInnerClasses(InliningIntoVisibilityBridgeTestClasses.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| neverInline |
| ? ("-neverinline class " + getClassA().getTypeName() + " { method(); }") |
| : "") |
| .enableMergeAnnotations() |
| .enableProguardTestOptions() |
| .compile() |
| .run(TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| |
| // Verify that A.method() is only there if there is an explicit -neverinline rule. |
| { |
| ClassSubject classSubject = result.inspector().clazz(getClassA()); |
| assertThat(classSubject, isPresent()); |
| |
| MethodSubject methodSubject = classSubject.uniqueMethodWithName("method"); |
| assertEquals(neverInline, methodSubject.isPresent()); |
| } |
| |
| // Verify that B.method() is still there, and that B.method() is neither a bridge nor a |
| // synthetic method unless there is an explicit -neverinline rule. |
| { |
| ClassSubject classSubject = |
| result.inspector().clazz(InliningIntoVisibilityBridgeTestClassB.class); |
| assertThat(classSubject, isPresent()); |
| |
| MethodSubject methodSubject = classSubject.uniqueMethodWithName("method"); |
| assertThat(methodSubject, isPresent()); |
| assertThat(methodSubject, isRenamed()); |
| assertEquals(neverInline, methodSubject.isBridge()); |
| assertEquals(neverInline, methodSubject.isSynthetic()); |
| } |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| InliningIntoVisibilityBridgeTestClassC obj = new InliningIntoVisibilityBridgeTestClassC(); |
| |
| // Invoke method three times to prevent the synthetic bridge on InliningIntoVisibilityBridge- |
| // TestClassB from being inlined. |
| obj.method(); |
| obj.method(); |
| obj.method(); |
| } |
| } |
| |
| static class InliningIntoVisibilityBridgeTestClassC |
| extends InliningIntoVisibilityBridgeTestClassB {} |
| } |