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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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,
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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);
    }
}