| // Copyright (c) 2020, 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.analysis.inlining; |
| |
| import com.android.tools.r8.ir.code.Instruction; |
| import com.android.tools.r8.ir.code.InvokeMethod; |
| import com.android.tools.r8.ir.code.Value; |
| import it.unimi.dsi.fastutil.ints.IntList; |
| |
| /** Constraint that is satisfied if a specific argument is always true. */ |
| public class EqualToBooleanSimpleInliningConstraint extends SimpleInliningArgumentConstraint { |
| |
| private final boolean value; |
| |
| private EqualToBooleanSimpleInliningConstraint(int argumentIndex, boolean value) { |
| super(argumentIndex); |
| this.value = value; |
| } |
| |
| static EqualToBooleanSimpleInliningConstraint create( |
| int argumentIndex, boolean value, SimpleInliningConstraintFactory witness) { |
| assert witness != null; |
| return new EqualToBooleanSimpleInliningConstraint(argumentIndex, value); |
| } |
| |
| @Override |
| public boolean isSatisfied(InvokeMethod invoke) { |
| Value argumentRoot = getArgument(invoke).getAliasedValue(); |
| return argumentRoot.isDefinedByInstructionSatisfying(Instruction::isConstNumber) |
| && argumentRoot.getDefinition().asConstNumber().getBooleanValue() == value; |
| } |
| |
| @Override |
| public SimpleInliningConstraint rewrittenWithUnboxedArguments( |
| IntList unboxedArgumentIndices, SimpleInliningConstraintFactory factory) { |
| return this; |
| } |
| |
| @Override |
| SimpleInliningArgumentConstraint withArgumentIndex( |
| int argumentIndex, SimpleInliningConstraintFactory factory) { |
| return factory.createEqualToBooleanConstraint(argumentIndex, value); |
| } |
| } |