// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/vector-slot-pair.h"
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#include "src/feedback-vector.h"
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namespace v8 {
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namespace internal {
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VectorSlotPair::VectorSlotPair() {}
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int VectorSlotPair::index() const {
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return vector_.is_null() ? -1 : FeedbackVector::GetIndex(slot_);
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}
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bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
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return lhs.slot() == rhs.slot() &&
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lhs.vector().location() == rhs.vector().location();
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}
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bool operator!=(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
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return !(lhs == rhs);
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}
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std::ostream& operator<<(std::ostream& os, const VectorSlotPair& pair) {
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if (pair.IsValid()) {
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return os << "VectorSlotPair(" << pair.slot() << ")";
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}
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return os << "VectorSlotPair(INVALID)";
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}
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size_t hash_value(VectorSlotPair const& p) {
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return base::hash_combine(p.slot(), p.vector().location());
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}
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} // namespace internal
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} // namespace v8
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