1// Copyright 2019 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "src/compiler/feedback-source.h"
6
7namespace v8 {
8namespace internal {
9namespace compiler {
10
11FeedbackSource::FeedbackSource(Handle<FeedbackVector> vector_,
12                               FeedbackSlot slot_)
13    : vector(vector_), slot(slot_) {
14  DCHECK(!slot.IsInvalid());
15}
16
17FeedbackSource::FeedbackSource(FeedbackVectorRef vector_, FeedbackSlot slot_)
18    : FeedbackSource(vector_.object(), slot_) {}
19
20int FeedbackSource::index() const {
21  CHECK(IsValid());
22  return FeedbackVector::GetIndex(slot);
23}
24
25bool operator==(FeedbackSource const& lhs, FeedbackSource const& rhs) {
26  return FeedbackSource::Equal()(lhs, rhs);
27}
28
29bool operator!=(FeedbackSource const& lhs, FeedbackSource const& rhs) {
30  return !(lhs == rhs);
31}
32
33std::ostream& operator<<(std::ostream& os, const FeedbackSource& p) {
34  if (p.IsValid()) {
35    return os << "FeedbackSource(" << p.slot << ")";
36  }
37  return os << "FeedbackSource(INVALID)";
38}
39
40}  // namespace compiler
41}  // namespace internal
42}  // namespace v8
43