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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.
#if !V8_ENABLE_WEBASSEMBLY
#error This header should only be included if WebAssembly is enabled.
#endif // !V8_ENABLE_WEBASSEMBLY
#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,
kLiftoff,
kTurbofan,
};
inline const char* ExecutionTierToString(ExecutionTier tier) {
switch (tier) {
case ExecutionTier::kTurbofan:
return "turbofan";
case ExecutionTier::kLiftoff:
return "liftoff";
case ExecutionTier::kNone:
return "none";
}
}
// {kForDebugging} is used for default tiered-down code, {kWithBreakpoints} if
// the code also contains breakpoints, and {kForStepping} for code that is
// flooded with breakpoints.
enum ForDebugging : int8_t {
kNoDebugging = 0,
kForDebugging,
kWithBreakpoints,
kForStepping
};
enum TieringState : int8_t { kTieredUp, kTieredDown };
} // namespace wasm
} // namespace internal
} // namespace v8
#endif // V8_WASM_WASM_TIER_H_
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