--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/DeoptimizeOnExceptionTest.java Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.replacements.test;
+
+import java.util.Random;
+
+import org.graalvm.compiler.core.test.GraalCompilerTest;
+import org.graalvm.compiler.phases.common.AbstractInliningPhase;
+import org.graalvm.compiler.test.ExportingClassLoader;
+import org.junit.Assert;
+import org.junit.Test;
+
+import jdk.internal.org.objectweb.asm.ClassWriter;
+import jdk.internal.org.objectweb.asm.Label;
+import jdk.internal.org.objectweb.asm.MethodVisitor;
+import jdk.internal.org.objectweb.asm.Opcodes;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+/**
+ * Tests that deoptimization upon exception handling works.
+ */
+public class DeoptimizeOnExceptionTest extends GraalCompilerTest {
+
+ public DeoptimizeOnExceptionTest() {
+ getSuites().getHighTier().findPhase(AbstractInliningPhase.class).remove();
+ }
+
+ private static void raiseException(String m1, String m2, String m3, String m4, String m5) {
+ throw new RuntimeException(m1 + m2 + m3 + m4 + m5);
+ }
+
+ @Test
+ public void test1() {
+ test("test1Snippet", "m1", "m2", "m3", "m4", "m5");
+ }
+
+ // no local exception handler - will deopt
+ public static String test1Snippet(String m1, String m2, String m3, String m4, String m5) {
+ if (m1 != null) {
+ raiseException(m1, m2, m3, m4, m5);
+ }
+ return m1 + m2 + m3 + m4 + m5;
+ }
+
+ @Test
+ public void test2() {
+ test("test2Snippet");
+ }
+
+ public String test2Snippet() throws Exception {
+ try {
+ ClassLoader testCl = new MyClassLoader();
+ @SuppressWarnings("unchecked")
+ Class<Runnable> c = (Class<Runnable>) testCl.loadClass(name);
+ Runnable r = c.newInstance();
+ ct = Long.MAX_VALUE;
+ // warmup
+ for (int i = 0; i < 100; i++) {
+ r.run();
+ }
+ // compile
+ ResolvedJavaMethod method = getResolvedJavaMethod(c, "run");
+ getCode(method);
+ ct = 0;
+ r.run();
+ } catch (Throwable e) {
+ e.printStackTrace(System.out);
+ Assert.fail();
+ }
+ return "SUCCESS";
+ }
+
+ public static class MyClassLoader extends ExportingClassLoader {
+ @Override
+ protected Class<?> findClass(String className) throws ClassNotFoundException {
+ return defineClass(name.replace('/', '.'), clazz, 0, clazz.length);
+ }
+ }
+
+ public static void methodB() {
+ Random r = new Random(System.currentTimeMillis());
+ while (r.nextFloat() > .03f) {
+ // Empty
+ }
+
+ return;
+ }
+
+ public static void methodA() {
+ Random r = new Random(System.currentTimeMillis());
+ while (r.nextDouble() > .05) {
+ // Empty
+ }
+ return;
+ }
+
+ private static Object m = new Object();
+ static long ct = Long.MAX_VALUE;
+
+ public static Object getM() {
+ if (ct-- > 0) {
+ return m;
+ } else {
+ return null;
+ }
+ }
+
+ private static String name = "t/TestJSR";
+
+ private static final byte[] clazz = makeClazz();
+
+ private static byte[] makeClazz() {
+ // Code generated the class below using asm.
+ String clazzName = DeoptimizeOnExceptionTest.class.getName().replace('.', '/');
+ final ClassWriter w = new ClassWriter(0);
+ w.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC,
+ "t/TestJSR", null, "java/lang/Object",
+ new String[]{"java/lang/Runnable"});
+ MethodVisitor mv = w.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[]{});
+ mv.visitCode();
+ mv.visitVarInsn(Opcodes.ALOAD, 0);
+ mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
+ mv.visitInsn(Opcodes.RETURN);
+ mv.visitMaxs(10, 10);
+ mv.visitEnd();
+
+ mv = w.visitMethod(Opcodes.ACC_PUBLIC, "run", "()V", null, null);
+ mv.visitCode();
+ mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "getM", "()Ljava/lang/Object;", false);
+ Label l1 = new Label();
+ mv.visitJumpInsn(Opcodes.JSR, l1);
+ mv.visitInsn(Opcodes.RETURN);
+
+ mv.visitLabel(l1);
+ mv.visitVarInsn(Opcodes.ASTORE, 1);
+
+ Label lElse = new Label();
+ Label lEnd = new Label();
+ mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "currentTimeMillis", "()J", false);
+ mv.visitInsn(Opcodes.POP2);
+ mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "getM", "()Ljava/lang/Object;", false);
+ mv.visitInsn(Opcodes.DUP);
+ mv.visitJumpInsn(Opcodes.IFNULL, lElse);
+ mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "methodA", "()V", false);
+ mv.visitJumpInsn(Opcodes.GOTO, lEnd);
+ mv.visitLabel(lElse);
+ mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "methodB", "()V", false);
+ mv.visitLabel(lEnd);
+
+ mv.visitVarInsn(Opcodes.RET, 1);
+ mv.visitMaxs(10, 10);
+ mv.visitEnd();
+ return w.toByteArray();
+ }
+}