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// Copyright 2018 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.
#ifndef V8_WASM_WASM_TIER_H_
#define V8_WASM_WASM_TIER_H_
#include <cstdint>
namespace v8 {
namespace internal {
namespace wasm {
// All the tiers of Wasm execution.
enum class ExecutionTier : int8_t {
kNone,
kInterpreter,
kLiftoff,
kTurbofan,
};
inline const char* ExecutionTierToString(ExecutionTier tier) {
switch (tier) {
case ExecutionTier::kTurbofan:
return "turbofan";
case ExecutionTier::kLiftoff:
return "liftoff";
case ExecutionTier::kInterpreter:
return "interpreter";
case ExecutionTier::kNone:
return "none";
}
}
// {kForDebugging} is used for default tiered-down code (potentially with
// breakpoints), {kForStepping} is code that is flooded with breakpoints.
enum ForDebugging : int8_t { kNoDebugging = 0, kForDebugging, kForStepping };
enum TieringState : int8_t { kTieredUp, kTieredDown };
} // namespace wasm
} // namespace internal
} // namespace v8
#endif // V8_WASM_WASM_TIER_H_
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