com.oracle.truffle.js.nodes.interop.ArrayElementInfoNodeGen Maven / Gradle / Ivy

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// CheckStyle: start generated
package com.oracle.truffle.js.nodes.interop;

import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.dsl.NeverDefault;
import com.oracle.truffle.api.dsl.DSLSupport.SpecializationDataNode;
import com.oracle.truffle.api.dsl.InlineSupport.ReferenceField;
import com.oracle.truffle.api.dsl.InlineSupport.UnsafeAccessedField;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.UnadoptableNode;
import com.oracle.truffle.api.utilities.TriState;
import com.oracle.truffle.js.runtime.array.ScriptArray;
import com.oracle.truffle.js.runtime.builtins.JSArrayBase;
import java.lang.invoke.MethodHandles;

/**
 * Debug Info:  *   Specialization {@link ArrayElementInfoNode#doCached}
 *     Activation probability: 0.65000
 *     With/without class size: 17/4 bytes
 *   Specialization {@link ArrayElementInfoNode#doUncached}
 *     Activation probability: 0.35000
 *     With/without class size: 8/0 bytes
 * 
 */
@GeneratedBy(ArrayElementInfoNode.class)
@SuppressWarnings("javadoc")
public final class ArrayElementInfoNodeGen extends ArrayElementInfoNode {

    static final ReferenceField CACHED_CACHE_UPDATER = ReferenceField.create(MethodHandles.lookup(), "cached_cache", CachedData.class);
    private static final Uncached UNCACHED = new Uncached();

    /**
     * State Info:      *   0: SpecializationActive {@link ArrayElementInfoNode#doCached}
     *   1: SpecializationActive {@link ArrayElementInfoNode#doUncached}
     * 
     */
    @CompilationFinal private int state_0_;
    @UnsafeAccessedField @CompilationFinal private CachedData cached_cache;

    private ArrayElementInfoNodeGen() {
    }

    @ExplodeLoop
    @Override
    public TriState execute(JSArrayBase arg0Value, long arg1Value, int arg2Value) {
        int state_0 = this.state_0_;
        if (state_0 != 0 /* is SpecializationActive[ArrayElementInfoNode.doCached(JSArrayBase, long, int, ScriptArray)] || SpecializationActive[ArrayElementInfoNode.doUncached(JSArrayBase, long, int)] */) {
            if ((state_0 & 0b1) != 0 /* is SpecializationActive[ArrayElementInfoNode.doCached(JSArrayBase, long, int, ScriptArray)] */) {
                CachedData s0_ = this.cached_cache;
                while (s0_ != null) {
                    if ((s0_.arrayType_.isInstance(arg0Value.getArrayType()))) {
                        return ArrayElementInfoNode.doCached(arg0Value, arg1Value, arg2Value, s0_.arrayType_);
                    }
                    s0_ = s0_.next_;
                }
            }
            if ((state_0 & 0b10) != 0 /* is SpecializationActive[ArrayElementInfoNode.doUncached(JSArrayBase, long, int)] */) {
                return ArrayElementInfoNode.doUncached(arg0Value, arg1Value, arg2Value);
            }
        }
        CompilerDirectives.transferToInterpreterAndInvalidate();
        return executeAndSpecialize(arg0Value, arg1Value, arg2Value);
    }

    private TriState executeAndSpecialize(JSArrayBase arg0Value, long arg1Value, int arg2Value) {
        int state_0 = this.state_0_;
        if (((state_0 & 0b10)) == 0 /* is-not SpecializationActive[ArrayElementInfoNode.doUncached(JSArrayBase, long, int)] */) {
            while (true) {
                int count0_ = 0;
                CachedData s0_ = CACHED_CACHE_UPDATER.getVolatile(this);
                CachedData s0_original = s0_;
                while (s0_ != null) {
                    if ((s0_.arrayType_.isInstance(arg0Value.getArrayType()))) {
                        break;
                    }
                    count0_++;
                    s0_ = s0_.next_;
                }
                if (s0_ == null) {
                    {
                        ScriptArray arrayType__ = (arg0Value.getArrayType());
                        if ((arrayType__.isInstance(arg0Value.getArrayType())) && count0_ < (5)) {
                            s0_ = new CachedData(s0_original);
                            s0_.arrayType_ = arrayType__;
                            if (!CACHED_CACHE_UPDATER.compareAndSet(this, s0_original, s0_)) {
                                continue;
                            }
                            state_0 = state_0 | 0b1 /* add SpecializationActive[ArrayElementInfoNode.doCached(JSArrayBase, long, int, ScriptArray)] */;
                            this.state_0_ = state_0;
                        }
                    }
                }
                if (s0_ != null) {
                    return ArrayElementInfoNode.doCached(arg0Value, arg1Value, arg2Value, s0_.arrayType_);
                }
                break;
            }
        }
        this.cached_cache = null;
        state_0 = state_0 & 0xfffffffe /* remove SpecializationActive[ArrayElementInfoNode.doCached(JSArrayBase, long, int, ScriptArray)] */;
        state_0 = state_0 | 0b10 /* add SpecializationActive[ArrayElementInfoNode.doUncached(JSArrayBase, long, int)] */;
        this.state_0_ = state_0;
        return ArrayElementInfoNode.doUncached(arg0Value, arg1Value, arg2Value);
    }

    @NeverDefault
    public static ArrayElementInfoNode create() {
        return new ArrayElementInfoNodeGen();
    }

    @NeverDefault
    public static ArrayElementInfoNode getUncached() {
        return ArrayElementInfoNodeGen.UNCACHED;
    }

    @GeneratedBy(ArrayElementInfoNode.class)
    @DenyReplace
    private static final class CachedData implements SpecializationDataNode {

        @CompilationFinal final CachedData next_;
        /**
         * Source Info:          *   Specialization: {@link ArrayElementInfoNode#doCached}
         *   Parameter: {@link ScriptArray} arrayType
         */
        @CompilationFinal ScriptArray arrayType_;

        CachedData(CachedData next_) {
            this.next_ = next_;
        }

    }
    @GeneratedBy(ArrayElementInfoNode.class)
    @DenyReplace
    private static final class Uncached extends ArrayElementInfoNode implements UnadoptableNode {

        @TruffleBoundary
        @Override
        public TriState execute(JSArrayBase arg0Value, long arg1Value, int arg2Value) {
            return ArrayElementInfoNode.doUncached(arg0Value, arg1Value, arg2Value);
        }

    }
}