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// Copyright 2019 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/compiler/feedback-source.h"
namespace v8 {
namespace internal {
namespace compiler {
FeedbackSource::FeedbackSource(Handle<FeedbackVector> vector_,
FeedbackSlot slot_)
: vector(vector_), slot(slot_) {
DCHECK(!slot.IsInvalid());
}
FeedbackSource::FeedbackSource(FeedbackVectorRef vector_, FeedbackSlot slot_)
: FeedbackSource(vector_.object(), slot_) {}
FeedbackSource::FeedbackSource(FeedbackNexus const& nexus)
: FeedbackSource(nexus.vector_handle(), nexus.slot()) {}
int FeedbackSource::index() const {
CHECK(IsValid());
return FeedbackVector::GetIndex(slot);
}
bool operator==(FeedbackSource const& lhs, FeedbackSource const& rhs) {
return FeedbackSource::Equal()(lhs, rhs);
}
bool operator!=(FeedbackSource const& lhs, FeedbackSource const& rhs) {
return !(lhs == rhs);
}
std::ostream& operator<<(std::ostream& os, const FeedbackSource& p) {
if (p.IsValid()) {
return os << "FeedbackSource(" << p.slot << ")";
}
return os << "FeedbackSource(INVALID)";
}
} // namespace compiler
} // namespace internal
} // namespace v8