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// 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.
#if !V8_ENABLE_WEBASSEMBLY
#error This header should only be included if WebAssembly is enabled.
#endif // !V8_ENABLE_WEBASSEMBLY
#ifndef V8_WASM_PGO_H_
#define V8_WASM_PGO_H_
#include <vector>
#include "src/base/vector.h"
namespace v8::internal::wasm {
struct WasmModule;
class ProfileInformation {
public:
ProfileInformation(std::vector<uint32_t> executed_functions,
std::vector<uint32_t> tiered_up_functions)
: executed_functions_(std::move(executed_functions)),
tiered_up_functions_(std::move(tiered_up_functions)) {}
// Disallow copying (not needed, so most probably a bug).
ProfileInformation(const ProfileInformation&) = delete;
ProfileInformation& operator=(const ProfileInformation&) = delete;
base::Vector<const uint32_t> executed_functions() const {
return base::VectorOf(executed_functions_);
}
base::Vector<const uint32_t> tiered_up_functions() const {
return base::VectorOf(tiered_up_functions_);
}
private:
const std::vector<uint32_t> executed_functions_;
const std::vector<uint32_t> tiered_up_functions_;
};
void DumpProfileToFile(const WasmModule* module,
base::Vector<const uint8_t> wire_bytes,
uint32_t* tiering_budget_array);
V8_WARN_UNUSED_RESULT std::unique_ptr<ProfileInformation> LoadProfileFromFile(
const WasmModule* module, base::Vector<const uint8_t> wire_bytes);
} // namespace v8::internal::wasm
#endif // V8_WASM_PGO_H_
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