| // Copyright (c) 2017, 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.jasmin; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.jasmin.JasminBuilder.ClassFileVersion; |
| import com.android.tools.r8.naming.MemberNaming.MethodSignature; |
| import com.android.tools.r8.utils.AndroidApp; |
| import com.android.tools.r8.utils.codeinspector.CfInstructionSubject; |
| 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 com.google.common.collect.ImmutableList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class Regress65432240 extends JasminTestBase { |
| |
| private Backend backend; |
| |
| @Parameterized.Parameters(name = "Backend: {0}") |
| public static Backend[] data() { |
| return ToolHelper.getBackends(); |
| } |
| |
| public Regress65432240(Backend backend) { |
| this.backend = backend; |
| } |
| |
| @Test |
| public void testConstantNotIntoEntryBlock() throws Exception { |
| JasminBuilder builder = new JasminBuilder(ClassFileVersion.JDK_1_4); |
| JasminBuilder.ClassBuilder clazz = builder.addClass("Test"); |
| |
| MethodSignature signature = clazz.addStaticMethod("test1", ImmutableList.of("I"), "I", |
| ".limit stack 3", |
| ".limit locals 2", |
| " iload 0", |
| " ifne L2", |
| "L1:", |
| " iconst_0", |
| " ireturn", |
| "L2:", |
| " iload 0", |
| " iload 0", |
| " iconst_1", |
| " isub", |
| " invokestatic Test/test1(I)I", |
| " iadd", |
| " ireturn"); |
| |
| clazz.addMainMethod( |
| ".limit stack 2", |
| ".limit locals 1", |
| " getstatic java/lang/System/out Ljava/io/PrintStream;", |
| " iconst_0", |
| " invokestatic Test/test1(I)I", |
| " invokestatic java/lang/Integer/toString(I)Ljava/lang/String;", |
| " invokevirtual java/io/PrintStream/print(Ljava/lang/String;)V", |
| " getstatic java/lang/System/out Ljava/io/PrintStream;", |
| " iconst_0", |
| " invokestatic Test/test1(I)I", |
| " invokestatic java/lang/Integer/toString(I)Ljava/lang/String;", |
| " invokevirtual java/io/PrintStream/print(Ljava/lang/String;)V", |
| " return"); |
| |
| String expected = runOnJava(builder, clazz.name); |
| |
| AndroidApp originalApplication = builder.build(); |
| AndroidApp processedApplication = |
| ToolHelper.runR8( |
| ToolHelper.prepareR8CommandBuilder(originalApplication, emptyConsumer(backend)) |
| .addLibraryFiles(runtimeJar(backend)) |
| .setDisableTreeShaking(true) |
| .setDisableMinification(true) |
| .build()); |
| |
| CodeInspector inspector = |
| new CodeInspector(processedApplication, o -> o.enableCfFrontend = true); |
| ClassSubject inspectedClass = inspector.clazz(clazz.name); |
| MethodSubject method = inspectedClass.method(signature); |
| assertTrue(method.isPresent()); |
| Iterator<InstructionSubject> iterator = method.iterateInstructions(); |
| InstructionSubject instruction = null; |
| boolean found = false; |
| while (iterator.hasNext()) { |
| instruction = iterator.next(); |
| if (!(instruction instanceof CfInstructionSubject) |
| || !((CfInstructionSubject) instruction).isLoad()) { |
| found = true; |
| break; |
| } |
| } |
| assertTrue(found && instruction.isIfNez()); |
| |
| String result; |
| if (backend == Backend.DEX) { |
| result = runOnArt(processedApplication, clazz.name); |
| } else { |
| assert backend == Backend.CF; |
| result = runOnJava(processedApplication, clazz.name, Collections.emptyList()); |
| } |
| assertEquals(expected, result); |
| } |
| } |