Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/test/SubstitutionsTest.java @ 20035:af467bd30ff3
Unit test for InputTypes in snippets.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 26 Mar 2015 15:17:02 +0100 |
parents | |
children | cba35d171cd1 |
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/* * 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 com.oracle.graal.replacements.test; import static com.oracle.graal.nodeinfo.InputType.*; import static org.hamcrest.CoreMatchers.*; import org.junit.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.replacements.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.compiler.test.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.iterators.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodeinfo.StructuralInput.Guard; import com.oracle.graal.nodeinfo.StructuralInput.Memory; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.extended.*; public class SubstitutionsTest extends GraalCompilerTest { @NodeInfo(allowedUsageTypes = {Memory}) private static class TestMemory extends FixedWithNextNode implements MemoryNode { private static final NodeClass<TestMemory> TYPE = NodeClass.create(TestMemory.class); public TestMemory() { super(TYPE, StampFactory.forVoid()); } @NodeIntrinsic public static native Memory memory(); } @NodeInfo(allowedUsageTypes = {Guard}) private static class TestGuard extends FloatingNode implements GuardingNode { private static final NodeClass<TestGuard> TYPE = NodeClass.create(TestGuard.class); @Input(Memory) MemoryNode memory; public TestGuard(ValueNode memory) { super(TYPE, StampFactory.forVoid()); this.memory = (MemoryNode) memory; } @NodeIntrinsic public static native Guard guard(Memory memory); } @NodeInfo private static class TestValue extends FloatingNode { private static final NodeClass<TestValue> TYPE = NodeClass.create(TestValue.class); @Input(Guard) GuardingNode guard; public TestValue(ValueNode guard) { super(TYPE, StampFactory.forKind(Kind.Int)); this.guard = (GuardingNode) guard; } @NodeIntrinsic public static native int value(Guard guard); } private static class TestMethod { public static int test() { return 42; } } @ClassSubstitution(TestMethod.class) private static class TestMethodSubstitution { @MethodSubstitution public static int test() { Memory memory = TestMemory.memory(); Guard guard = TestGuard.guard(memory); return TestValue.value(guard); } } private static boolean substitutionsInstalled; public SubstitutionsTest() { if (!substitutionsInstalled) { getProviders().getReplacements().registerSubstitutions(TestMethod.class, TestMethodSubstitution.class); substitutionsInstalled = true; } } public static int callTest() { return TestMethod.test(); } @Override protected boolean checkHighTierGraph(StructuredGraph graph) { // Check that the graph contains the expected test nodes. NodeIterable<ReturnNode> retNodes = graph.getNodes().filter(ReturnNode.class); Assert.assertTrue("expected exactly one ReturnNode", retNodes.count() == 1); ReturnNode ret = retNodes.first(); Assert.assertThat(ret.result(), instanceOf(TestValue.class)); TestValue value = (TestValue) ret.result(); Assert.assertThat(value.guard, instanceOf(TestGuard.class)); TestGuard guard = (TestGuard) value.guard; Assert.assertThat(guard.memory, instanceOf(TestMemory.class)); TestMemory memory = (TestMemory) guard.memory; // Remove the test nodes, replacing them by the constant 42. // This implicitly makes sure that the rest of the graph is valid. ret.replaceFirstInput(value, graph.unique(ConstantNode.forInt(42))); value.safeDelete(); guard.safeDelete(); graph.removeFixed(memory); return true; } @Test public void snippetTest() { test("callTest"); } }