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 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * 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.

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package org.graalvm.compiler.core.aarch64.test;

import jdk.vm.ci.aarch64.AArch64;

import jdk.vm.ci.code.TargetDescription;

import org.graalvm.compiler.core.test.GraalCompilerTest;

import org.graalvm.compiler.lir.LIR;

import org.graalvm.compiler.lir.LIRInstruction;

import org.graalvm.compiler.lir.aarch64.AArch64LIRInstruction;

import org.graalvm.compiler.lir.gen.LIRGenerationResult;

import org.graalvm.compiler.lir.phases.LIRPhase;

import org.graalvm.compiler.lir.phases.LIRSuites;

import org.graalvm.compiler.lir.phases.PreAllocationOptimizationPhase;

import org.graalvm.compiler.options.OptionValues;

import org.junit.Assert;

import org.junit.Before;

import static org.junit.Assume.assumeTrue;

public abstract class AArch64MatchRuleTest extends GraalCompilerTest {

    private LIR lir;

    @Before

    public void checkAArch64() {

        assumeTrue("skipping AArch64 specific test", getTarget().arch instanceof AArch64);

    }

    @Override

    protected LIRSuites createLIRSuites(OptionValues options) {

        LIRSuites suites = super.createLIRSuites(options);

        suites.getPreAllocationOptimizationStage().appendPhase(new CheckPhase());

        return suites;

    }

    private class CheckPhase extends LIRPhase<PreAllocationOptimizationPhase.PreAllocationOptimizationContext> {

        @Override

        protected void run(TargetDescription target, LIRGenerationResult lirGenRes,

                        PreAllocationOptimizationPhase.PreAllocationOptimizationContext context) {

            lir = lirGenRes.getLIR();

        }

    }

    protected void checkLIR(Class<? extends AArch64LIRInstruction> op, int expected) {

        int actualOpNum = 0;

        for (LIRInstruction ins : lir.getLIRforBlock(lir.codeEmittingOrder()[0])) {

            if (ins.getClass() == op) {

                actualOpNum++;

            }

        }

        Assert.assertEquals(expected, actualOpNum);

    }

}