chromium/v8/src/wasm/pgo.cc

// Copyright 2022 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/wasm/pgo.h"

#include "src/wasm/decoder.h"
#include "src/wasm/wasm-module-builder.h"  // For {ZoneBuffer}.

namespace v8::internal::wasm {

constexpr uint8_t kFunctionExecutedBit = …;
constexpr uint8_t kFunctionTieredUpBit = …;

class ProfileGenerator { … };

void DeserializeTypeFeedback(Decoder& decoder, const WasmModule* module) { … }

std::unique_ptr<ProfileInformation> DeserializeTieringInformation(
    Decoder& decoder, const WasmModule* module) { … }

std::unique_ptr<ProfileInformation> RestoreProfileData(
    const WasmModule* module, base::Vector<uint8_t> profile_data) { … }

void DumpProfileToFile(const WasmModule* module,
                       base::Vector<const uint8_t> wire_bytes,
                       std::atomic<uint32_t>* tiering_budget_array) { … }

std::unique_ptr<ProfileInformation> LoadProfileFromFile(
    const WasmModule* module, base::Vector<const uint8_t> wire_bytes) { … }

}  // namespace v8::internal::wasm