| // 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.membervaluepropagation; |
| |
| 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.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.FieldSubject; |
| 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; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class MemberValuePropagationWithClassInitializationTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public MemberValuePropagationWithClassInitializationTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(MemberValuePropagationWithClassInitializationTest.class) |
| .addKeepMainRule(TestClass.class) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .inspect(this::inspect) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("A!", "B!"); |
| } |
| |
| private void inspect(CodeInspector inspector) { |
| // A.field is present. |
| ClassSubject aClassSubject = inspector.clazz(A.class); |
| assertThat(aClassSubject, isPresent()); |
| |
| FieldSubject fieldSubject = aClassSubject.uniqueFieldWithName("field"); |
| assertThat(fieldSubject, isPresent()); |
| |
| // B.method() is present. |
| ClassSubject bClassSubject = inspector.clazz(B.class); |
| assertThat(bClassSubject, isPresent()); |
| |
| MethodSubject methodSubject = bClassSubject.uniqueMethodWithName("method"); |
| assertThat(methodSubject, isPresent()); |
| |
| // TestClass.missingFieldValuePropagation() and TestClass.missingMethodValuePropagation() are |
| // absent. |
| ClassSubject testClassSubject = inspector.clazz(TestClass.class); |
| assertThat(testClassSubject, isPresent()); |
| assertThat( |
| testClassSubject.uniqueMethodWithName("missingFieldValuePropagation"), not(isPresent())); |
| assertThat( |
| testClassSubject.uniqueMethodWithName("missingMethodValuePropagation"), not(isPresent())); |
| |
| // TestClass.main() still accesses A.field and invokes B.method(). |
| MethodSubject mainMethodSubject = testClassSubject.mainMethod(); |
| assertThat(mainMethodSubject, isPresent()); |
| assertTrue( |
| mainMethodSubject |
| .streamInstructions() |
| .filter(InstructionSubject::isStaticGet) |
| .anyMatch(x -> x.getField() == fieldSubject.getField().field)); |
| assertTrue( |
| mainMethodSubject |
| .streamInstructions() |
| .filter(InstructionSubject::isInvokeStatic) |
| .anyMatch(x -> x.getMethod() == methodSubject.getMethod().method)); |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| if (A.field) { |
| missingFieldValuePropagation(); |
| } |
| if (B.method()) { |
| missingMethodValuePropagation(); |
| } |
| } |
| |
| @NeverInline |
| static void missingFieldValuePropagation() { |
| System.out.println("Missing field value propagation!"); |
| } |
| |
| @NeverInline |
| static void missingMethodValuePropagation() { |
| System.out.println("Missing method value propagation!"); |
| } |
| } |
| |
| static class A { |
| |
| static boolean field = false; |
| |
| static { |
| System.out.println("A!"); |
| } |
| } |
| |
| static class B { |
| |
| static { |
| System.out.println("B!"); |
| } |
| |
| static boolean method() { |
| return false; |
| } |
| } |
| } |