| // Copyright (c) 2018, 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. |
| |
| // Copyright (c) 2018, 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.shaking.testrules; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| |
| import com.android.tools.r8.ClassFileConsumer; |
| import com.android.tools.r8.DexIndexedConsumer; |
| import com.android.tools.r8.ProgramConsumer; |
| import com.android.tools.r8.R8Command; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class ForceInlineTest extends TestBase { |
| private Backend backend; |
| |
| @Parameterized.Parameters(name = "Backend: {0}") |
| public static Backend[] data() { |
| return Backend.values(); |
| } |
| |
| public ForceInlineTest(Backend backend) { |
| this.backend = backend; |
| } |
| |
| private CodeInspector runTest(List<String> proguardConfiguration) throws Exception { |
| ProgramConsumer programConsumer; |
| Path library; |
| if (backend == Backend.DEX) { |
| programConsumer = DexIndexedConsumer.emptyConsumer(); |
| library = ToolHelper.getDefaultAndroidJar(); |
| } else { |
| assert backend == Backend.CF; |
| programConsumer = ClassFileConsumer.emptyConsumer(); |
| library = ToolHelper.getJava8RuntimeJar(); |
| } |
| R8Command.Builder builder = |
| ToolHelper.prepareR8CommandBuilder( |
| readClasses(Main.class, A.class, B.class, C.class), programConsumer) |
| .addLibraryFiles(library); |
| ToolHelper.allowTestProguardOptions(builder); |
| builder.addProguardConfiguration(proguardConfiguration, Origin.unknown()); |
| return new CodeInspector(ToolHelper.runR8(builder.build())); |
| } |
| |
| @Test |
| public void testDefaultInlining() throws Exception { |
| CodeInspector inspector = |
| runTest( |
| ImmutableList.of( |
| "-keep class **.Main { *; }", |
| "-nevermerge @com.android.tools.r8.NeverMerge class *", |
| "-dontobfuscate")); |
| |
| ClassSubject classA = inspector.clazz(A.class); |
| ClassSubject classB = inspector.clazz(B.class); |
| ClassSubject classC = inspector.clazz(C.class); |
| ClassSubject classMain = inspector.clazz(Main.class); |
| assertThat(classA, isPresent()); |
| assertThat(classB, isPresent()); |
| assertThat(classC, isPresent()); |
| assertThat(classMain, isPresent()); |
| |
| // By default A.m *will not* be inlined (called several times and not small). |
| assertThat(classA.method("int", "m", ImmutableList.of("int", "int")), isPresent()); |
| // By default A.method *will* be inlined (called only once). |
| assertThat(classA.method("int", "method", ImmutableList.of()), not(isPresent())); |
| // By default B.m *will not* be inlined (called several times and not small). |
| assertThat(classB.method("int", "m", ImmutableList.of("int", "int")), isPresent()); |
| // By default B.method *will* be inlined (called only once). |
| assertThat(classB.method("int", "method", ImmutableList.of()), not(isPresent())); |
| } |
| |
| @Test |
| public void testNeverInline() throws Exception { |
| CodeInspector inspector = |
| runTest( |
| ImmutableList.of( |
| "-neverinline class **.A { method(); }", |
| "-neverinline class **.B { method(); }", |
| "-keep class **.Main { *; }", |
| "-nevermerge @com.android.tools.r8.NeverMerge class *", |
| "-dontobfuscate")); |
| |
| ClassSubject classA = inspector.clazz(A.class); |
| ClassSubject classB = inspector.clazz(B.class); |
| ClassSubject classC = inspector.clazz(C.class); |
| ClassSubject classMain = inspector.clazz(Main.class); |
| assertThat(classA, isPresent()); |
| assertThat(classB, isPresent()); |
| assertThat(classC, isPresent()); |
| assertThat(classMain, isPresent()); |
| |
| // Compared to the default method is no longer inlined. |
| assertThat(classA.method("int", "m", ImmutableList.of("int", "int")), isPresent()); |
| assertThat(classA.method("int", "method", ImmutableList.of()), isPresent()); |
| assertThat(classB.method("int", "m", ImmutableList.of("int", "int")), isPresent()); |
| assertThat(classB.method("int", "method", ImmutableList.of()), isPresent()); |
| } |
| |
| @Test |
| public void testForceInline() throws Exception { |
| CodeInspector inspector = |
| runTest( |
| ImmutableList.of( |
| "-forceinline class **.A { int m(int, int); }", |
| "-forceinline class **.B { int m(int, int); }", |
| "-keep class **.Main { *; }", |
| "-nevermerge @com.android.tools.r8.NeverMerge class *", |
| "-dontobfuscate")); |
| |
| ClassSubject classA = inspector.clazz(A.class); |
| ClassSubject classB = inspector.clazz(B.class); |
| ClassSubject classC = inspector.clazz(C.class); |
| ClassSubject classMain = inspector.clazz(Main.class); |
| |
| // Compared to the default m is now inlined and method still is, so classes A and B are gone. |
| assertThat(classA, not(isPresent())); |
| assertThat(classB, not(isPresent())); |
| assertThat(classC, isPresent()); |
| assertThat(classMain, isPresent()); |
| } |
| |
| @Test |
| public void testForceInlineFails() throws Exception { |
| try { |
| CodeInspector inspector = |
| runTest( |
| ImmutableList.of( |
| "-forceinline class **.A { int x(); }", |
| "-keep class **.Main { *; }", |
| "-nevermerge @com.android.tools.r8.NeverMerge class *", |
| "-dontobfuscate")); |
| fail("Force inline of non-inlinable method succeeded"); |
| } catch (Throwable t) { |
| // Ignore assertion error. |
| } |
| } |
| } |