| // 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.errors.Unreachable; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.ir.optimize.Inliner.ConstraintWithTarget; |
| import com.android.tools.r8.ir.optimize.InliningConstraints; |
| |
| public abstract class ConstInstruction extends Instruction { |
| |
| public static ConstInstruction copyOf(Value value, ConstInstruction instr) { |
| if (instr.isConstClass()) { |
| return ConstClass.copyOf(value, instr.asConstClass()); |
| } else if (instr.isConstMethodHandle()) { |
| return ConstMethodHandle.copyOf(value, instr.asConstMethodHandle()); |
| } else if (instr.isConstMethodType()) { |
| return ConstMethodType.copyOf(value, instr.asConstMethodType()); |
| } else if (instr.isConstNumber()) { |
| return ConstNumber.copyOf(value, instr.asConstNumber()); |
| } else if (instr.isConstString()) { |
| return ConstString.copyOf(value, instr.asConstString()); |
| } else if (instr.isDexItemBasedConstString()) { |
| return DexItemBasedConstString.copyOf(value, instr.asDexItemBasedConstString()); |
| } else { |
| throw new Unreachable(); |
| } |
| } |
| |
| public ConstInstruction(Value out) { |
| super(out); |
| } |
| |
| @Override |
| public ConstInstruction getOutConstantConstInstruction() { |
| return this; |
| } |
| |
| @Override |
| public boolean isConstInstruction() { |
| return true; |
| } |
| |
| @Override |
| public ConstInstruction asConstInstruction() { |
| return this; |
| } |
| |
| @Override |
| public ConstraintWithTarget inliningConstraint( |
| InliningConstraints inliningConstraints, ProgramMethod context) { |
| return inliningConstraints.forConstInstruction(); |
| } |
| |
| @Override |
| public boolean hasInvariantOutType() { |
| return true; |
| } |
| |
| @Override |
| public boolean instructionMayTriggerMethodInvocation(AppView<?> appView, ProgramMethod context) { |
| return false; |
| } |
| } |