Mercurial > hg > graal-compiler
view graal/com.oracle.graal.compiler.amd64.test/src/com/oracle/graal/compiler/amd64/test/MatchRuleTest.java @ 22931:d7df89bcc764
Unittest checking AMD64NodeMatchRules are effective
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
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date | Mon, 02 Nov 2015 14:57:32 +0100 |
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/* * Copyright (c) 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.compiler.amd64.test; import static org.junit.Assume.assumeTrue; import java.util.List; import org.junit.Before; import org.junit.Test; import com.oracle.graal.compiler.common.cfg.AbstractBlockBase; import com.oracle.graal.lir.LIR; import com.oracle.graal.lir.LIRInstruction; import com.oracle.graal.lir.amd64.AMD64BinaryConsumer.MemoryConstOp; import com.oracle.graal.lir.gen.LIRGenerationResult; import com.oracle.graal.lir.jtt.LIRTest; import com.oracle.graal.lir.phases.LIRPhase; import com.oracle.graal.lir.phases.PreAllocationOptimizationPhase.PreAllocationOptimizationContext; import jdk.vm.ci.amd64.AMD64; import jdk.vm.ci.code.TargetDescription; public class MatchRuleTest extends LIRTest { private static LIR lir; @Before public void checkAMD64() { assumeTrue("skipping AMD64 specific test", getTarget().arch instanceof AMD64); } public static int test1Snippet(TestClass o, TestClass b, TestClass c) { if (o.x == 42) { return b.z; } else { return c.y; } } /** * Verifies, if the match rules in AMD64NodeMatchRules do work on the graphs by compiling and * checking if the expected LIR instruction show up. */ @Test public void test1() { getLIRSuites().getPreAllocationOptimizationStage().appendPhase(new CheckPhase()); compile(getResolvedJavaMethod("test1Snippet"), null); boolean found = false; for (LIRInstruction ins : lir.getLIRforBlock(lir.codeEmittingOrder().get(0))) { if (ins instanceof MemoryConstOp && ((MemoryConstOp) ins).getOpcode().toString().equals("CMP")) { assertFalse("MemoryConstOp expected only once in first block", found); found = true; } } assertTrue("Memory compare must be in the LIR", found); } public static class TestClass { public int x; public int y; public int z; public TestClass(int x) { super(); this.x = x; } } public static class CheckPhase extends LIRPhase<PreAllocationOptimizationContext> { @Override protected <B extends AbstractBlockBase<B>> void run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, PreAllocationOptimizationContext context) { lir = lirGenRes.getLIR(); } } }