| // Copyright (c) 2021, 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.graph.RewrittenPrototypeDescription.ArgumentInfoCollection; |
| import com.android.tools.r8.graph.RewrittenPrototypeDescription.RemovedArgumentInfo; |
| import com.android.tools.r8.ir.analysis.value.SingleValue; |
| import com.android.tools.r8.ir.code.Instruction; |
| import com.android.tools.r8.ir.code.InvokeMethod; |
| import com.android.tools.r8.ir.code.Value; |
| |
| public abstract class NumberSimpleInliningConstraint extends SimpleInliningArgumentConstraint { |
| |
| private final long rawValue; |
| |
| NumberSimpleInliningConstraint(int argumentIndex, long rawValue) { |
| super(argumentIndex); |
| this.rawValue = rawValue; |
| } |
| |
| long getRawValue() { |
| return rawValue; |
| } |
| |
| @Override |
| public SimpleInliningConstraint fixupAfterParametersChanged( |
| ArgumentInfoCollection changes, SimpleInliningConstraintFactory factory) { |
| if (changes.isArgumentRemoved(getArgumentIndex())) { |
| RemovedArgumentInfo removedArgumentInfo = |
| changes.getArgumentInfo(getArgumentIndex()).asRemovedArgumentInfo(); |
| if (!removedArgumentInfo.hasSingleValue()) { |
| // We should never have constraints for unused arguments. |
| assert false; |
| return NeverSimpleInliningConstraint.getInstance(); |
| } |
| SingleValue singleValue = removedArgumentInfo.getSingleValue(); |
| return singleValue.isSingleNumberValue() && test(singleValue.asSingleNumberValue().getValue()) |
| ? AlwaysSimpleInliningConstraint.getInstance() |
| : NeverSimpleInliningConstraint.getInstance(); |
| } else { |
| assert !changes.hasArgumentInfo(getArgumentIndex()); |
| } |
| return withArgumentIndex(changes.getNewArgumentIndex(getArgumentIndex()), factory); |
| } |
| |
| @Override |
| public final boolean isSatisfied(InvokeMethod invoke) { |
| Value argumentRoot = getArgument(invoke).getAliasedValue(); |
| return argumentRoot.isDefinedByInstructionSatisfying(Instruction::isConstNumber) |
| && test(argumentRoot.getDefinition().asConstNumber().getRawValue()); |
| } |
| |
| abstract boolean test(long argumentValue); |
| } |