| // 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.InvokeInterfaceRange; |
| 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.analysis.type.TypeAnalysis; |
| 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.List; |
| |
| public class InvokeInterface extends InvokeMethodWithReceiver { |
| |
| public InvokeInterface(DexMethod target, Value result, List<Value> arguments) { |
| super(target, result, arguments); |
| } |
| |
| @Override |
| public int opcode() { |
| return Opcodes.INVOKE_INTERFACE; |
| } |
| |
| @Override |
| public <T> T accept(InstructionVisitor<T> visitor) { |
| return visitor.visit(this); |
| } |
| |
| @Override |
| public Type getType() { |
| return Type.INTERFACE; |
| } |
| |
| @Override |
| protected String getTypeString() { |
| return "Interface"; |
| } |
| |
| @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 InvokeInterfaceRange(firstRegister, argumentRegisters, getInvokedMethod()); |
| } else { |
| int[] individualArgumentRegisters = new int[5]; |
| int argumentRegistersCount = fillArgumentRegisters(builder, individualArgumentRegisters); |
| instruction = new com.android.tools.r8.code.InvokeInterface( |
| argumentRegistersCount, |
| getInvokedMethod(), |
| individualArgumentRegisters[0], // C |
| individualArgumentRegisters[1], // D |
| individualArgumentRegisters[2], // E |
| individualArgumentRegisters[3], // F |
| individualArgumentRegisters[4]); // G |
| } |
| addInvokeAndMoveResult(instruction, builder); |
| } |
| |
| @Override |
| public boolean identicalNonValueNonPositionParts(Instruction other) { |
| return other.isInvokeInterface() && super.identicalNonValueNonPositionParts(other); |
| } |
| |
| @Override |
| public boolean isInvokeInterface() { |
| return true; |
| } |
| |
| @Override |
| public InvokeInterface asInvokeInterface() { |
| return this; |
| } |
| |
| @Override |
| public DexEncodedMethod lookupSingleTarget(AppView<?> appView, DexType invocationContext) { |
| if (appView.appInfo().hasLiveness()) { |
| AppView<AppInfoWithLiveness> appViewWithLiveness = appView.withLiveness(); |
| AppInfoWithLiveness appInfo = appViewWithLiveness.appInfo(); |
| return appInfo.lookupSingleInterfaceTarget( |
| getInvokedMethod(), |
| invocationContext, |
| TypeAnalysis.getRefinedReceiverType(appViewWithLiveness, this), |
| getReceiver().getDynamicLowerBoundType(appViewWithLiveness)); |
| } |
| return null; |
| } |
| |
| @Override |
| public Collection<DexEncodedMethod> lookupTargets( |
| AppView<? extends AppInfoWithSubtyping> appView, DexType invocationContext) { |
| DexMethod method = getInvokedMethod(); |
| return appView |
| .appInfo() |
| .resolveMethodOnInterface(method.holder, method) |
| .lookupInterfaceTargets(appView.appInfo()); |
| } |
| |
| @Override |
| public ConstraintWithTarget inliningConstraint( |
| InliningConstraints inliningConstraints, DexType invocationContext) { |
| return inliningConstraints.forInvokeInterface(getInvokedMethod(), invocationContext); |
| } |
| |
| @Override |
| public void buildCf(CfBuilder builder) { |
| builder.add(new CfInvoke(org.objectweb.asm.Opcodes.INVOKEINTERFACE, getInvokedMethod(), true)); |
| } |
| |
| @Override |
| public boolean definitelyTriggersClassInitialization( |
| DexType clazz, |
| DexType context, |
| AppView<?> appView, |
| Query mode, |
| AnalysisAssumption assumption) { |
| return ClassInitializationAnalysis.InstructionUtils.forInvokeInterface( |
| this, clazz, context, appView, mode, assumption); |
| } |
| } |