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// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.ir.regalloc;
import static com.android.tools.r8.dex.Constants.U16BIT_MAX;
public class LiveIntervalsUse implements Comparable<LiveIntervalsUse> {
private final int position;
private final int limit;
private final boolean debugUse;
public LiveIntervalsUse(int position, int limit) {
this(position, limit, false);
}
public LiveIntervalsUse(int position, int limit, boolean debugUse) {
this.position = position;
this.limit = limit;
this.debugUse = debugUse;
}
public int getPosition() {
return position;
}
public int getLimit() {
return limit;
}
@Override
public int hashCode() {
return position + limit * 7;
}
@Override
public boolean equals(Object other) {
if (!(other instanceof LiveIntervalsUse)) {
return false;
}
LiveIntervalsUse o = (LiveIntervalsUse) other;
return o.position == position && o.limit == limit;
}
@Override
public int compareTo(LiveIntervalsUse o) {
if (o.position != position) {
return position - o.position;
}
return limit - o.limit;
}
public boolean hasConstraint() {
return limit < U16BIT_MAX;
}
public boolean isDebugUse() {
return debugUse;
}
}
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