| /* |
| * Copyright (c) 2015, 2015, 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.jtt.backend; |
| |
| import static org.graalvm.compiler.api.directives.GraalDirectives.LIKELY_PROBABILITY; |
| import static org.graalvm.compiler.api.directives.GraalDirectives.injectBranchProbability; |
| |
| import java.lang.reflect.Method; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.core.common.GraalOptions; |
| import org.graalvm.compiler.jtt.JTTTest; |
| import org.graalvm.compiler.options.OptionValue; |
| import org.graalvm.compiler.options.OptionValue.OverrideScope; |
| |
| public class ConstantPhiTest extends JTTTest { |
| |
| public static int test(int i, int x) throws Throwable { |
| int r; |
| if (injectBranchProbability(LIKELY_PROBABILITY, i < 0)) { |
| r = 42; |
| } else { |
| r = x; |
| } |
| destroyCallerSavedValues(); |
| return r; |
| } |
| |
| protected static void destroyCallerSavedValues() throws Throwable { |
| Class<ConstantPhiTest> c = ConstantPhiTest.class; |
| Method m = c.getMethod("destroyCallerSavedValues0"); |
| m.invoke(null); |
| } |
| |
| public static void destroyCallerSavedValues0() { |
| } |
| |
| @Test |
| @SuppressWarnings("try") |
| public void run0() { |
| try (OverrideScope os = OptionValue.override(GraalOptions.MaximumInliningSize, -1)) { |
| runTest("test", 0, 0xDEADDEAD); |
| } |
| } |
| |
| @Test |
| @SuppressWarnings("try") |
| public void run1() { |
| try (OverrideScope os = OptionValue.override(GraalOptions.MaximumInliningSize, -1)) { |
| runTest("test", -1, 0xDEADDEAD); |
| } |
| } |
| |
| @Test |
| @SuppressWarnings("try") |
| public void run2() { |
| try (OverrideScope os = OptionValue.override(GraalOptions.MaximumInliningSize, -1)) { |
| runTest("test", 1, 0xDEADDEAD); |
| } |
| } |
| } |