| // Copyright (c) 2020, 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.devirtualize; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NeverMerge; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.InstructionSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class InvokeSuperToInvokeVirtualTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public InvokeSuperToInvokeVirtualTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(InvokeSuperToInvokeVirtualTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .enableMergeAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("Hello world!"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| ClassSubject bClassSubject = inspector.clazz(B.class); |
| assertThat(bClassSubject, isPresent()); |
| |
| MethodSubject negativeTestSubject = bClassSubject.uniqueMethodWithName("negativeTest"); |
| assertThat(negativeTestSubject, isPresent()); |
| assertTrue(negativeTestSubject.streamInstructions().anyMatch(this::isInvokeSuper)); |
| assertTrue( |
| negativeTestSubject.streamInstructions().noneMatch(InstructionSubject::isInvokeVirtual)); |
| |
| MethodSubject positiveTestSubject = bClassSubject.uniqueMethodWithName("positiveTest"); |
| assertThat(positiveTestSubject, isPresent()); |
| assertTrue(positiveTestSubject.streamInstructions().noneMatch(this::isInvokeSuper)); |
| assertTrue( |
| positiveTestSubject.streamInstructions().anyMatch(InstructionSubject::isInvokeVirtual)); |
| } |
| |
| private boolean isInvokeSuper(InstructionSubject instruction) { |
| if (parameters.isCfRuntime()) { |
| return instruction.isInvokeSpecial(); |
| } else { |
| return instruction.asDexInstruction().isInvokeSuper(); |
| } |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new B().negativeTest(); |
| new B().positiveTest(); |
| |
| if (System.currentTimeMillis() < 0) { |
| // To keep B.hello(). |
| new B().hello(); |
| } |
| } |
| } |
| |
| @NeverMerge |
| static class A { |
| |
| @NeverInline |
| void hello() { |
| System.out.print("Hello"); |
| } |
| |
| @NeverInline |
| void world() { |
| System.out.println(" world!"); |
| } |
| } |
| |
| @NeverClassInline |
| static class B extends A { |
| |
| @Override |
| void hello() { |
| System.out.println("Unexpected!"); |
| } |
| |
| @NeverInline |
| void negativeTest() { |
| super.hello(); |
| } |
| |
| @NeverInline |
| void positiveTest() { |
| super.world(); |
| } |
| } |
| } |