| // 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.redundantfieldloadelimination; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper.DexVm.Version; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.objectweb.asm.ClassWriter; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.Handle; |
| import org.objectweb.asm.Label; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| @RunWith(Parameterized.class) |
| public class InstanceFieldLoadsSeparatedByInvokeCustomTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters() |
| .withCfRuntimes() |
| .withDexRuntimesStartingFromIncluding(Version.V8_1_0) |
| .withApiLevelsStartingAtIncluding(AndroidApiLevel.O) |
| .build(); |
| } |
| |
| public InstanceFieldLoadsSeparatedByInvokeCustomTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(InstanceFieldLoadsSeparatedByInvokeCustomTestClassGenerator.dump()) |
| .addKeepAllClassesRule() |
| .allowDiagnosticWarningMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .assertAllWarningMessagesMatch(containsString("Unknown bootstrap method")) |
| .run(parameters.getRuntime(), "InstanceFieldLoadsSeparatedByInvokeCustomTestClass") |
| .assertSuccess(); |
| } |
| |
| /** |
| * Generates a class with the following test method. |
| * |
| * <pre> |
| * TestClass instance = new TestClass(); |
| * instance.field = Double.MIN_VALUE; |
| * setInstanceField(instance, Math.PI); // <- using an invoke-custom instruction |
| * assertEquals(Math.PI, instance.field); |
| * instance.field = Math.E; |
| * assertEquals(Math.E, getInstanceField(instance)); // <- using an invoke-custom instruction |
| * </pre> |
| */ |
| static class InstanceFieldLoadsSeparatedByInvokeCustomTestClassGenerator implements Opcodes { |
| |
| public static byte[] dump() { |
| ClassWriter classWriter = new ClassWriter(0); |
| FieldVisitor fieldVisitor; |
| MethodVisitor methodVisitor; |
| |
| classWriter.visit( |
| V1_8, |
| ACC_SUPER, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| null, |
| "java/lang/Object", |
| null); |
| |
| classWriter.visitSource("InstanceFieldLoadsSeparatedByInvokeCustomTestClass.java", null); |
| |
| { |
| fieldVisitor = classWriter.visitField(ACC_PRIVATE, "field", "D", null, null); |
| fieldVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(1, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| "testInstanceFieldLoadsSeparatedByInvokeCustom", |
| "()V", |
| false); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(2, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_PRIVATE | ACC_STATIC, |
| "testInstanceFieldLoadsSeparatedByInvokeCustom", |
| "()V", |
| null, |
| null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitTypeInsn(NEW, "InstanceFieldLoadsSeparatedByInvokeCustomTestClass"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| "<init>", |
| "()V", |
| false); |
| methodVisitor.visitVarInsn(ASTORE, 0); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitLdcInsn(new Double("4.9E-324")); |
| methodVisitor.visitFieldInsn( |
| PUTFIELD, "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", "field", "D"); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitLdcInsn(new Double("3.141592653589793")); |
| methodVisitor.visitInvokeDynamicInsn( |
| "field", |
| "(LInstanceFieldLoadsSeparatedByInvokeCustomTestClass;D)V", |
| new Handle( |
| Opcodes.H_INVOKESTATIC, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| "lookupInstanceFieldSetter", |
| "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;", |
| false), |
| new Object[] {}); |
| methodVisitor.visitLdcInsn(new Double("3.141592653589793")); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitFieldInsn( |
| GETFIELD, "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", "field", "D"); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| "assertEquals", |
| "(DD)V", |
| false); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitLdcInsn(new Double("2.718281828459045")); |
| methodVisitor.visitFieldInsn( |
| PUTFIELD, "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", "field", "D"); |
| methodVisitor.visitLdcInsn(new Double("2.718281828459045")); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitInvokeDynamicInsn( |
| "field", |
| "(LInstanceFieldLoadsSeparatedByInvokeCustomTestClass;)D", |
| new Handle( |
| Opcodes.H_INVOKESTATIC, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| "lookupInstanceFieldGetter", |
| "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;", |
| false), |
| new Object[] {}); |
| methodVisitor.visitMethodInsn( |
| INVOKESTATIC, |
| "InstanceFieldLoadsSeparatedByInvokeCustomTestClass", |
| "assertEquals", |
| "(DD)V", |
| false); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitMaxs(4, 1); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_STATIC, |
| "lookupInstanceFieldSetter", |
| "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;", |
| null, |
| new String[] {"java/lang/Throwable"}); |
| methodVisitor.visitCode(); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitInsn(ICONST_0); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/invoke/MethodType", |
| "parameterType", |
| "(I)Ljava/lang/Class;", |
| false); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitInsn(ICONST_1); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/invoke/MethodType", |
| "parameterType", |
| "(I)Ljava/lang/Class;", |
| false); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/invoke/MethodHandles$Lookup", |
| "findSetter", |
| "(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;", |
| false); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| methodVisitor.visitTypeInsn(NEW, "java/lang/invoke/ConstantCallSite"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitVarInsn(ALOAD, 3); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, |
| "java/lang/invoke/ConstantCallSite", |
| "<init>", |
| "(Ljava/lang/invoke/MethodHandle;)V", |
| false); |
| methodVisitor.visitInsn(ARETURN); |
| methodVisitor.visitMaxs(5, 4); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = |
| classWriter.visitMethod( |
| ACC_STATIC, |
| "lookupInstanceFieldGetter", |
| "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;", |
| null, |
| new String[] {"java/lang/Throwable"}); |
| methodVisitor.visitCode(); |
| methodVisitor.visitVarInsn(ALOAD, 0); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitInsn(ICONST_0); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/invoke/MethodType", |
| "parameterType", |
| "(I)Ljava/lang/Class;", |
| false); |
| methodVisitor.visitVarInsn(ALOAD, 1); |
| methodVisitor.visitVarInsn(ALOAD, 2); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/invoke/MethodType", |
| "returnType", |
| "()Ljava/lang/Class;", |
| false); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/invoke/MethodHandles$Lookup", |
| "findGetter", |
| "(Ljava/lang/Class;Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;", |
| false); |
| methodVisitor.visitVarInsn(ASTORE, 3); |
| methodVisitor.visitTypeInsn(NEW, "java/lang/invoke/ConstantCallSite"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitVarInsn(ALOAD, 3); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, |
| "java/lang/invoke/ConstantCallSite", |
| "<init>", |
| "(Ljava/lang/invoke/MethodHandle;)V", |
| false); |
| methodVisitor.visitInsn(ARETURN); |
| methodVisitor.visitMaxs(4, 4); |
| methodVisitor.visitEnd(); |
| } |
| { |
| methodVisitor = classWriter.visitMethod(ACC_STATIC, "assertEquals", "(DD)V", null, null); |
| methodVisitor.visitCode(); |
| methodVisitor.visitVarInsn(DLOAD, 0); |
| methodVisitor.visitVarInsn(DLOAD, 2); |
| methodVisitor.visitInsn(DCMPL); |
| Label label1 = new Label(); |
| methodVisitor.visitJumpInsn(IFNE, label1); |
| methodVisitor.visitInsn(RETURN); |
| methodVisitor.visitLabel(label1); |
| methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null); |
| methodVisitor.visitTypeInsn(NEW, "java/lang/AssertionError"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitTypeInsn(NEW, "java/lang/StringBuilder"); |
| methodVisitor.visitInsn(DUP); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false); |
| methodVisitor.visitLdcInsn("assertEquals d1: "); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/StringBuilder", |
| "append", |
| "(Ljava/lang/String;)Ljava/lang/StringBuilder;", |
| false); |
| methodVisitor.visitVarInsn(DLOAD, 0); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/StringBuilder", |
| "append", |
| "(D)Ljava/lang/StringBuilder;", |
| false); |
| methodVisitor.visitLdcInsn(", d2: "); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/StringBuilder", |
| "append", |
| "(Ljava/lang/String;)Ljava/lang/StringBuilder;", |
| false); |
| methodVisitor.visitVarInsn(DLOAD, 2); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, |
| "java/lang/StringBuilder", |
| "append", |
| "(D)Ljava/lang/StringBuilder;", |
| false); |
| methodVisitor.visitMethodInsn( |
| INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false); |
| methodVisitor.visitMethodInsn( |
| INVOKESPECIAL, "java/lang/AssertionError", "<init>", "(Ljava/lang/Object;)V", false); |
| methodVisitor.visitInsn(ATHROW); |
| methodVisitor.visitMaxs(5, 4); |
| methodVisitor.visitEnd(); |
| } |
| classWriter.visitEnd(); |
| |
| return classWriter.toByteArray(); |
| } |
| } |
| } |
