| // 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.code; |
| |
| import com.android.tools.r8.cf.code.CfInvoke; |
| import com.android.tools.r8.code.InvokeSuperRange; |
| import com.android.tools.r8.graph.AppInfoWithSubtyping; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexEncodedMethod; |
| import com.android.tools.r8.graph.DexMethod; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.analysis.ClassInitializationAnalysis; |
| import com.android.tools.r8.ir.analysis.ClassInitializationAnalysis.AnalysisAssumption; |
| import com.android.tools.r8.ir.analysis.ClassInitializationAnalysis.Query; |
| import com.android.tools.r8.ir.conversion.CfBuilder; |
| import com.android.tools.r8.ir.conversion.DexBuilder; |
| import com.android.tools.r8.ir.optimize.Inliner.ConstraintWithTarget; |
| import com.android.tools.r8.ir.optimize.InliningConstraints; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class InvokeSuper extends InvokeMethodWithReceiver { |
| |
| public final boolean itf; |
| |
| public InvokeSuper(DexMethod target, Value result, List<Value> arguments, boolean itf) { |
| super(target, result, arguments); |
| this.itf = itf; |
| } |
| |
| @Override |
| public int opcode() { |
| return Opcodes.INVOKE_SUPER; |
| } |
| |
| @Override |
| public <T> T accept(InstructionVisitor<T> visitor) { |
| return visitor.visit(this); |
| } |
| |
| @Override |
| public Type getType() { |
| return Type.SUPER; |
| } |
| |
| @Override |
| protected String getTypeString() { |
| return "Super"; |
| } |
| |
| @Override |
| public void buildDex(DexBuilder builder) { |
| com.android.tools.r8.code.Instruction instruction; |
| int argumentRegisters = requiredArgumentRegisters(); |
| builder.requestOutgoingRegisters(argumentRegisters); |
| if (needsRangedInvoke(builder)) { |
| assert argumentsConsecutive(builder); |
| int firstRegister = argumentRegisterValue(0, builder); |
| instruction = new InvokeSuperRange(firstRegister, argumentRegisters, getInvokedMethod()); |
| } else { |
| int[] individualArgumentRegisters = new int[5]; |
| int argumentRegistersCount = fillArgumentRegisters(builder, individualArgumentRegisters); |
| instruction = new com.android.tools.r8.code.InvokeSuper( |
| argumentRegistersCount, |
| getInvokedMethod(), |
| individualArgumentRegisters[0], // C |
| individualArgumentRegisters[1], // D |
| individualArgumentRegisters[2], // E |
| individualArgumentRegisters[3], // F |
| individualArgumentRegisters[4]); // G |
| } |
| addInvokeAndMoveResult(instruction, builder); |
| } |
| |
| @Override |
| public void buildCf(CfBuilder builder) { |
| builder.add(new CfInvoke(org.objectweb.asm.Opcodes.INVOKESPECIAL, getInvokedMethod(), itf)); |
| } |
| |
| @Override |
| public boolean identicalNonValueNonPositionParts(Instruction other) { |
| return other.isInvokeSuper() && super.identicalNonValueNonPositionParts(other); |
| } |
| |
| @Override |
| public boolean isInvokeSuper() { |
| return true; |
| } |
| |
| @Override |
| public InvokeSuper asInvokeSuper() { |
| return this; |
| } |
| |
| @Override |
| public DexEncodedMethod lookupSingleTarget(AppView<?> appView, DexType invocationContext) { |
| if (appView.appInfo().hasLiveness() && invocationContext != null) { |
| AppView<AppInfoWithLiveness> appViewWithLiveness = appView.withLiveness(); |
| AppInfoWithLiveness appInfo = appViewWithLiveness.appInfo(); |
| if (appInfo.isSubtype(invocationContext, getInvokedMethod().holder)) { |
| return appInfo.lookupSuperTarget(getInvokedMethod(), invocationContext); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Collection<DexEncodedMethod> lookupTargets( |
| AppView<? extends AppInfoWithSubtyping> appView, DexType invocationContext) { |
| DexEncodedMethod target = |
| appView.appInfo().lookupSuperTarget(getInvokedMethod(), invocationContext); |
| return target == null ? Collections.emptyList() : Collections.singletonList(target); |
| } |
| |
| @Override |
| public ConstraintWithTarget inliningConstraint( |
| InliningConstraints inliningConstraints, DexType invocationContext) { |
| return inliningConstraints.forInvokeSuper(getInvokedMethod(), invocationContext); |
| } |
| |
| @Override |
| public boolean definitelyTriggersClassInitialization( |
| DexType clazz, |
| DexType context, |
| AppView<?> appView, |
| Query mode, |
| AnalysisAssumption assumption) { |
| return ClassInitializationAnalysis.InstructionUtils.forInvokeSuper( |
| this, clazz, context, appView, mode, assumption); |
| } |
| } |