| // Copyright (c) 2016, 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.code; |
| |
| import com.android.tools.r8.cf.LoadStoreHelper; |
| import com.android.tools.r8.dex.Constants; |
| import com.android.tools.r8.graph.AppInfo; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.analysis.type.TypeLatticeElement; |
| import com.android.tools.r8.ir.optimize.Inliner.ConstraintWithTarget; |
| import com.android.tools.r8.ir.optimize.InliningConstraints; |
| |
| abstract public class Unop extends Instruction { |
| |
| public Unop(Value dest, Value source) { |
| super(dest, source); |
| } |
| |
| public Value dest() { |
| return outValue; |
| } |
| |
| public Value source() { |
| return inValues.get(0); |
| } |
| |
| @Override |
| public int maxInValueRegister() { |
| return Constants.U4BIT_MAX; |
| } |
| |
| @Override |
| public int maxOutValueRegister() { |
| return Constants.U4BIT_MAX; |
| } |
| |
| @Override |
| public boolean isUnop() { |
| return true; |
| } |
| |
| @Override |
| public Unop asUnop() { |
| return this; |
| } |
| |
| @Override |
| public ConstraintWithTarget inliningConstraint( |
| InliningConstraints inliningConstraints, DexType invocationContext) { |
| return inliningConstraints.forUnop(); |
| } |
| |
| @Override |
| public void insertLoadAndStores(InstructionListIterator it, LoadStoreHelper helper) { |
| helper.loadInValues(this, it); |
| helper.storeOutValue(this, it); |
| } |
| |
| @Override |
| public TypeLatticeElement evaluate(AppInfo appInfo) { |
| return source().getTypeLattice(); |
| } |
| |
| @Override |
| public boolean hasInvariantOutType() { |
| return true; |
| } |
| } |