| // Copyright (c) 2021, 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.cf.stackmap; |
| |
| import static com.android.tools.r8.cf.stackmap.LongStackValuesInFramesTest.LongStackValuesInFramesTest$MainDump.dump; |
| import static org.junit.Assume.assumeTrue; |
| |
| 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 org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class LongStackValuesInFramesTest extends TestBase { |
| |
| private final String[] EXPECTED = new String[] {"52"}; |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| public LongStackValuesInFramesTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testJvm() throws Exception { |
| assumeTrue(parameters.isCfRuntime()); |
| testForJvm() |
| .addProgramClasses(Tester.class) |
| .addProgramClassFileData(dump()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| testForD8(parameters.getBackend()) |
| .addProgramClasses(Tester.class) |
| .addProgramClassFileData(dump()) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| public static class Tester { |
| |
| @NeverInline |
| public static void test(long x, int y) { |
| System.out.println(x + y); |
| } |
| } |
| |
| public static class Main { |
| |
| // This code will be rewritten to: |
| // ldc_w 10 |
| // bipush 10 |
| // if (args.length == 0) { |
| // invoke Tester.test(JI)V |
| // } |
| // pop |
| // pop2 |
| public static void main(String[] args) { |
| long x = 10L; |
| int y = 42; |
| if (args.length == 0) { |
| Tester.test(x, y); |
| } |
| } |
| } |
| |
| public static class LongStackValuesInFramesTest$MainDump implements Opcodes { |
| |
| public static byte[] dump() { |
| |
| ClassWriter classWriter = new ClassWriter(0); |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_PUBLIC | ACC_SUPER, |
| "com/android/tools/r8/cf/stackmap/LongStackValuesInFramesTest$Main", |
| null, |
| "java/lang/Object", |
| null); |
| classWriter.visitSource("LongStackValuesInFramesTest.java", null); |
| classWriter.visitInnerClass( |
| "com/android/tools/r8/cf/stackmap/LongStackValuesInFramesTest$Main", |
| "com/android/tools/r8/cf/stackmap/LongStackValuesInFramesTest", |
| "Main", |
| ACC_PUBLIC | ACC_STATIC); |
| classWriter.visitInnerClass( |
| "com/android/tools/r8/cf/stackmap/LongStackValuesInFramesTest$Tester", |
| "com/android/tools/r8/cf/stackmap/LongStackValuesInFramesTest", |
| "Tester", |
| ACC_PUBLIC | ACC_STATIC); |
| |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitLdcInsn(10L); |
| methodVisitor.visitIntInsn(BIPUSH, 42); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitInsn(ARRAYLENGTH); |
| Label label1 = new Label(); |
| methodVisitor.visitJumpInsn(IFNE, label1); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "com/android/tools/r8/cf/stackmap/LongStackValuesInFramesTest$Tester", |
| "test", |
| "(JI)V", |
| false); |
| Label label2 = new Label(); |
| methodVisitor.visitJumpInsn(Opcodes.GOTO, label2); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitFrame( |
| Opcodes.F_FULL, |
| 1, |
| new Object[] {"[Ljava/lang/String;"}, |
| 2, |
| new Object[] {Opcodes.LONG, Opcodes.INTEGER}); |
| methodVisitor.visitInsn(Opcodes.POP); |
| methodVisitor.visitInsn(Opcodes.POP2); |
| methodVisitor.visitLabel(label2); |
| methodVisitor.visitFrame(Opcodes.F_FULL, 1, new Object[] {"[Ljava/lang/String;"}, 0, null); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(4, 3); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| } |