blob: e639a9037e71cec831ee8f93422e6d7ae6abd1b5 [file] [log] [blame]
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/vector-slot-pair.h"
#include "src/feedback-vector.h"
namespace v8 {
namespace internal {
VectorSlotPair::VectorSlotPair() {}
int VectorSlotPair::index() const {
return vector_.is_null() ? -1 : FeedbackVector::GetIndex(slot_);
}
bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
return lhs.slot() == rhs.slot() &&
lhs.vector().location() == rhs.vector().location();
}
bool operator!=(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
return !(lhs == rhs);
}
std::ostream& operator<<(std::ostream& os, const VectorSlotPair& pair) {
if (pair.IsValid()) {
return os << "VectorSlotPair(" << pair.slot() << ")";
}
return os << "VectorSlotPair(INVALID)";
}
size_t hash_value(VectorSlotPair const& p) {
return base::hash_combine(p.slot(), p.vector().location());
}
} // namespace internal
} // namespace v8