| // 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.utils.codeinspector.CodeMatchers.invokesMethod; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| 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.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.JumboStringMode; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class SingleTargetFromExactReceiverTypeTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public SingleTargetFromExactReceiverTypeTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(SingleTargetFromExactReceiverTypeTest.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepRules( |
| "-keepclassmembers class " + A.class.getTypeName() + " {", |
| " void cannotBeInlinedDueToKeepRule();", |
| "}") |
| .enableNeverClassInliningAnnotations() |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getRuntime()) |
| .compile() |
| .inspect(this::verifyOnlyCanBeInlinedHasBeenInlined) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines( |
| "A.canBeInlined()", |
| "A.canBeInlinedDueToAssume()", |
| "B.canBeInlined()", |
| "B.canBeInlinedDueToAssume()", |
| "A.cannotBeInlinedDueToDynamicDispatch()", |
| "A.cannotBeInlinedDueToKeepRule()"); |
| } |
| |
| private void verifyOnlyCanBeInlinedHasBeenInlined(CodeInspector inspector) { |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| assertThat(aClassSubject.uniqueMethodWithName("canBeInlined"), not(isPresent())); |
| assertThat(aClassSubject.uniqueMethodWithName("canBeInlinedDueToAssume"), not(isPresent())); |
| assertThat( |
| aClassSubject.uniqueMethodWithName("cannotBeInlinedDueToDynamicDispatch"), isPresent()); |
| assertThat(aClassSubject.uniqueMethodWithName("cannotBeInlinedDueToKeepRule"), isPresent()); |
| |
| ClassSubject bClassSubject = inspector.clazz(B.class); |
| assertThat(bClassSubject, isPresent()); |
| assertThat(bClassSubject.uniqueMethodWithName("canBeInlined"), not(isPresent())); |
| assertThat(bClassSubject.uniqueMethodWithName("canBeInlinedDueToAssume"), not(isPresent())); |
| assertThat( |
| bClassSubject.uniqueMethodWithName("cannotBeInlinedDueToDynamicDispatch"), isPresent()); |
| assertThat(bClassSubject.uniqueMethodWithName("cannotBeInlinedDueToKeepRule"), isPresent()); |
| |
| ClassSubject testClassSubject = inspector.clazz(TestClass.class); |
| assertThat(testClassSubject, isPresent()); |
| |
| MethodSubject mainMethodSubject = testClassSubject.mainMethod(); |
| assertThat(mainMethodSubject, isPresent()); |
| for (String expected : |
| ImmutableList.of( |
| "A.canBeInlined()", |
| "A.canBeInlinedDueToAssume()", |
| "B.canBeInlined()", |
| "B.canBeInlinedDueToAssume()")) { |
| assertTrue( |
| mainMethodSubject |
| .streamInstructions() |
| .anyMatch(x -> x.isConstString(expected, JumboStringMode.ALLOW))); |
| } |
| assertThat( |
| mainMethodSubject, |
| invokesMethod(aClassSubject.uniqueMethodWithName("cannotBeInlinedDueToDynamicDispatch"))); |
| assertThat( |
| mainMethodSubject, |
| invokesMethod(aClassSubject.uniqueMethodWithName("cannotBeInlinedDueToKeepRule"))); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| new A().canBeInlined(); |
| getInstanceOfAWithExactType().canBeInlinedDueToAssume(); |
| |
| new B().canBeInlined(); |
| getInstanceOfBWithExactType().canBeInlinedDueToAssume(); |
| |
| (System.currentTimeMillis() >= 0 ? new A() : new B()).cannotBeInlinedDueToDynamicDispatch(); |
| new A().cannotBeInlinedDueToKeepRule(); |
| } |
| |
| @NeverInline |
| static A getInstanceOfAWithExactType() { |
| return new A(); |
| } |
| |
| @NeverInline |
| static A getInstanceOfBWithExactType() { |
| return new B(); |
| } |
| } |
| |
| @NeverClassInline |
| static class A { |
| |
| public void canBeInlined() { |
| System.out.println("A.canBeInlined()"); |
| } |
| |
| public void canBeInlinedDueToAssume() { |
| System.out.println("A.canBeInlinedDueToAssume()"); |
| } |
| |
| public void cannotBeInlinedDueToDynamicDispatch() { |
| System.out.println("A.cannotBeInlinedDueToDynamicDispatch()"); |
| } |
| |
| public void cannotBeInlinedDueToKeepRule() { |
| System.out.println("A.cannotBeInlinedDueToKeepRule()"); |
| } |
| } |
| |
| static class B extends A { |
| |
| @Override |
| public void canBeInlined() { |
| System.out.println("B.canBeInlined()"); |
| } |
| |
| @Override |
| public void canBeInlinedDueToAssume() { |
| System.out.println("B.canBeInlinedDueToAssume()"); |
| } |
| |
| @Override |
| public void cannotBeInlinedDueToDynamicDispatch() { |
| System.out.println("B.cannotBeInlinedDueToDynamicDispatch()"); |
| } |
| |
| @Override |
| public void cannotBeInlinedDueToKeepRule() { |
| System.out.println("B.cannotBeInlinedDueToKeepRule()"); |
| } |
| } |
| } |