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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package org.graalvm.compiler.lir.phases;

import static org.graalvm.compiler.core.common.GraalOptions.TraceRA;

import org.graalvm.compiler.debug.Assertions;
import org.graalvm.compiler.lir.alloc.AllocationStageVerifier;
import org.graalvm.compiler.lir.alloc.lsra.LinearScanPhase;
import org.graalvm.compiler.lir.alloc.trace.TraceRegisterAllocationPhase;
import org.graalvm.compiler.lir.dfa.LocationMarkerPhase;
import org.graalvm.compiler.lir.dfa.MarkBasePointersPhase;
import org.graalvm.compiler.lir.phases.AllocationPhase.AllocationContext;
import org.graalvm.compiler.lir.stackslotalloc.LSStackSlotAllocator;
import org.graalvm.compiler.lir.stackslotalloc.SimpleStackSlotAllocator;
import org.graalvm.compiler.options.OptionValues;

public class AllocationStage extends LIRPhaseSuite<AllocationContext> {

    public AllocationStage(OptionValues options) {
        appendPhase(new MarkBasePointersPhase());
        if (TraceRA.getValue(options)) {
            appendPhase(new TraceRegisterAllocationPhase());
        } else {
            appendPhase(new LinearScanPhase());
        }

        // build frame map
        if (LSStackSlotAllocator.Options.LIROptLSStackSlotAllocator.getValue(options)) {
            appendPhase(new LSStackSlotAllocator());
        } else {
            appendPhase(new SimpleStackSlotAllocator());
        }
        // currently we mark locations only if we do register allocation
        appendPhase(new LocationMarkerPhase());

        if (Assertions.detailedAssertionsEnabled(options)) {
            appendPhase(new AllocationStageVerifier());
        }
    }
}
