// Copyright (c) 2019, 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.desugar.backports;

import com.android.tools.r8.graph.DexItemFactory;
import com.android.tools.r8.ir.code.Cmp;
import com.android.tools.r8.ir.code.Cmp.Bias;
import com.android.tools.r8.ir.code.InstructionListIterator;
import com.android.tools.r8.ir.code.InvokeMethod;
import com.android.tools.r8.ir.code.NumericType;
import com.android.tools.r8.ir.code.Value;
import java.util.List;
import java.util.Set;

public final class LongMethodRewrites {

  private LongMethodRewrites() {}

  public static void rewriteCompare(
      InvokeMethod invoke,
      InstructionListIterator iterator,
      DexItemFactory factory,
      Set<Value> affectedValues) {
    List<Value> inValues = invoke.inValues();
    assert inValues.size() == 2;
    iterator.replaceCurrentInstruction(
        new Cmp(NumericType.LONG, Bias.NONE, invoke.outValue(), inValues.get(0), inValues.get(1)));
  }
}