hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/CompareCanonicalizerTest3.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/CompareCanonicalizerTest3.java Thu Apr 06 14:31:32 2017 -0700
@@ -0,0 +1,246 @@
+/*
+ * Copyright (c) 2012, 2014, 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.core.test;
+
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
+import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin;
+import org.graalvm.compiler.phases.common.CanonicalizerPhase;
+import org.graalvm.compiler.phases.tiers.PhaseContext;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+public class CompareCanonicalizerTest3 extends GraalCompilerTest {
+
+ @SuppressWarnings("unused") private static int sink0;
+ @SuppressWarnings("unused") private static int sink1;
+
+ @Test
+ public void test00() {
+ assertCanonicallyEqual("integerTestCanonicalization00", "referenceSnippet00");
+ }
+
+ public static void integerTestCanonicalization00(char a) {
+ if (a - 1 < a) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @SuppressWarnings("unused")
+ public static void referenceSnippet00(char a) {
+ sink1 = 0;
+ }
+
+ @Ignore("Needs better stamp support for unsigned ranges")
+ @Test
+ public void test01() {
+ assertCanonicallyEqual("integerTestCanonicalization01", "referenceSnippet01");
+ }
+
+ public static void integerTestCanonicalization01(char a) {
+ if (Integer.compareUnsigned(a - 1, a) < 0) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet01(char a) {
+ if (a != 0) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Ignore("Needs better stamp support for unsigned ranges")
+ @Test
+ public void test1() {
+ assertCanonicallyEqual("integerTestCanonicalization1", "referenceSnippet1");
+ }
+
+ public static void integerTestCanonicalization1(char a) {
+ if (Integer.compareUnsigned(a - 2, a) < 0) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet1(char a) {
+ if (Integer.compareUnsigned(a, 2) >= 0) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Test
+ public void test2() {
+ assertCanonicallyEqual("integerTestCanonicalization2", "referenceSnippet2");
+ }
+
+ public static void integerTestCanonicalization2(int a) {
+ if (a - 1 < a) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet2(int a) {
+ if (a != Integer.MIN_VALUE) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Test
+ public void test3() {
+ assertCanonicallyEqual("integerTestCanonicalization3", "referenceSnippet3");
+ }
+
+ public static void integerTestCanonicalization3(int a) {
+ if (a - 2 < a) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet3(int a) {
+ if (a >= Integer.MIN_VALUE + 2) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Test
+ public void test4() {
+ assertCanonicallyEqual("integerTestCanonicalization4", "referenceSnippet4");
+ }
+
+ public static void integerTestCanonicalization4(int a) {
+ if (a + 1 < a) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet4(int a) {
+ if (a == Integer.MAX_VALUE) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Test
+ public void test5() {
+ assertCanonicallyEqual("integerTestCanonicalization5", "referenceSnippet5");
+ }
+
+ public static void integerTestCanonicalization5(int a) {
+ if (a + 2 < a) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet5(int a) {
+ if (a > Integer.MAX_VALUE - 2) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Test
+ public void test6() {
+ assertCanonicallyEqual("integerTestCanonicalization6", "referenceSnippet6");
+ }
+
+ public static void integerTestCanonicalization6(int a) {
+ if (a < a + 1) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet6(int a) {
+ if (a != Integer.MAX_VALUE) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ @Test
+ public void test7() {
+ assertCanonicallyEqual("integerTestCanonicalization7", "referenceSnippet7");
+ }
+
+ public static void integerTestCanonicalization7(int a) {
+ if (a < a + 2) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ public static void referenceSnippet7(int a) {
+ if (a <= Integer.MAX_VALUE - 2) {
+ sink1 = 0;
+ } else {
+ sink0 = -1;
+ }
+ }
+
+ protected void assertCanonicallyEqual(String snippet, String reference) {
+ StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES);
+ PhaseContext context = new PhaseContext(getProviders());
+ CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
+ canonicalizer.apply(graph, context);
+ canonicalizer.apply(graph, context);
+ StructuredGraph referenceGraph = parseEager(reference, AllowAssumptions.YES);
+ canonicalizer.apply(referenceGraph, context);
+ canonicalizer.apply(referenceGraph, context);
+ assertEquals(referenceGraph, graph, true, true);
+ }
+
+ @Override
+ protected InlineInvokePlugin.InlineInfo bytecodeParserShouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) {
+ return InlineInvokePlugin.InlineInfo.createStandardInlineInfo(method);
+ }
+}