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* 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
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package org.graalvm.compiler.nodes.util;
import org.graalvm.compiler.core.common.type.IntegerStamp;
import org.graalvm.compiler.nodes.LogicNode;
import org.graalvm.compiler.nodes.NodeView;
import org.graalvm.compiler.nodes.ValueNode;
public abstract class IntegerHelper {
protected final int bits;
protected IntegerHelper(int bits) {
this.bits = bits;
}
public abstract long upperBound(IntegerStamp stamp);
public abstract long lowerBound(IntegerStamp stamp);
public int compare(long a, long b) {
return rawCompare(cast(a), cast(b));
}
public boolean isGreater(long a, long b) {
return compare(a, b) > 0;
}
public boolean isSmaller(long a, long b) {
return compare(a, b) < 0;
}
public boolean isGreaterEqual(long a, long b) {
return compare(a, b) >= 0;
}
public boolean isSmallerEqual(long a, long b) {
return compare(a, b) <= 0;
}
public long min(long a, long b) {
return rawMin(cast(a), cast(b));
}
public long max(long a, long b) {
return rawMax(cast(a), cast(b));
}
public abstract long cast(long a);
public abstract long minValue();
public abstract long maxValue();
public abstract IntegerStamp stamp(long min, long max);
public abstract LogicNode createCompareNode(ValueNode x, ValueNode y, NodeView view);
protected abstract int rawCompare(long a, long b);
protected abstract long rawMin(long a, long b);
protected abstract long rawMax(long a, long b);
}