| // 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.outliner.arraytypes; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.InternalOptions.OutlineOptions; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.CodeMatchers; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class OutlinesWithInterfaceArrayTypeArguments extends TestBase { |
| |
| private final boolean allowOutlinerInterfaceArrayArguments; |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{1}, allow interface array types in outlining on JVM: {0}") |
| public static List<Object[]> data() { |
| return buildParameters(BooleanUtils.values(), getTestParameters().withAllRuntimes().build()); |
| } |
| |
| public OutlinesWithInterfaceArrayTypeArguments( |
| boolean allowOutlinerInterfaceArrayArguments, TestParameters parameters) { |
| this.allowOutlinerInterfaceArrayArguments = allowOutlinerInterfaceArrayArguments; |
| this.parameters = parameters; |
| } |
| |
| private void validateOutlining(CodeInspector inspector) { |
| // No outlining when arrays of interfaces are involved, see b/132420510 - unless the testing |
| // option is set. |
| ClassSubject outlineClass = inspector.clazz(OutlineOptions.CLASS_NAME); |
| if (allowOutlinerInterfaceArrayArguments && parameters.isCfRuntime()) { |
| assertThat(outlineClass, isPresent()); |
| MethodSubject outline0Method = |
| outlineClass.method( |
| "void", "outline0", ImmutableList.of("java.lang.Object[]", "java.lang.Object[]")); |
| assertThat(outline0Method, isPresent()); |
| ClassSubject classSubject = inspector.clazz(TestClass.class); |
| assertThat( |
| classSubject.uniqueMethodWithName("method1"), CodeMatchers.invokesMethod(outline0Method)); |
| assertThat( |
| classSubject.uniqueMethodWithName("method2"), CodeMatchers.invokesMethod(outline0Method)); |
| } else { |
| assertThat(outlineClass, not(isPresent())); |
| } |
| } |
| |
| @Test |
| public void test() throws Exception { |
| String expectedOutput = StringUtils.lines("1", "1", "2", "2"); |
| testForR8(parameters.getBackend()) |
| .enableInliningAnnotations() |
| .addInnerClasses(OutlinesWithInterfaceArrayTypeArguments.class) |
| .addKeepMainRule(TestClass.class) |
| .addKeepClassAndMembersRules(ClassImplementingIface.class) |
| .addKeepClassAndMembersRules(OtherClassImplementingIface.class) |
| .setMinApi(parameters.getRuntime()) |
| .noMinification() |
| .addOptionsModification( |
| options -> { |
| if (parameters.isCfRuntime()) { |
| assert !options.outline.enabled; |
| options.outline.enabled = true; |
| } |
| options.outline.threshold = 2; |
| options.outline.minSize = 2; |
| options.testing.allowOutlinerInterfaceArrayArguments = |
| allowOutlinerInterfaceArrayArguments; |
| }) |
| .compile() |
| .inspect(this::validateOutlining) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(expectedOutput); |
| } |
| |
| interface Iface { |
| int interfaceMethod(); |
| } |
| |
| public static class ClassImplementingIface implements Iface { |
| public int interfaceMethod() { |
| return 1; |
| } |
| } |
| |
| public static class OtherClassImplementingIface implements Iface { |
| public int interfaceMethod() { |
| return 2; |
| } |
| } |
| |
| public static class TestClass { |
| @NeverInline |
| public static void useArray(Iface[] ifaceArray) { |
| System.out.println(ifaceArray[0].interfaceMethod()); |
| } |
| |
| @NeverInline |
| public static void method1(Iface[] ifaceArray) { |
| // These two invokes are expected to be outlined, when the testing option is set. |
| useArray(ifaceArray); |
| useArray(ifaceArray); |
| } |
| |
| @NeverInline |
| public static void method2(Iface[] ifaceArray) { |
| // These two invokes are expected to be outlined, when the testing option is set. |
| useArray(ifaceArray); |
| useArray(ifaceArray); |
| } |
| |
| public static void main(String[] args) { |
| Iface[] ifaceArray1 = new ClassImplementingIface[1]; |
| ifaceArray1[0] = new ClassImplementingIface(); |
| method1(ifaceArray1); |
| Iface[] ifaceArray2 = new OtherClassImplementingIface[1]; |
| ifaceArray2[0] = new OtherClassImplementingIface(); |
| method2(ifaceArray2); |
| } |
| } |
| } |