| // Copyright 2019 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_CODEGEN_TICK_COUNTER_H_ |
| #define V8_CODEGEN_TICK_COUNTER_H_ |
| |
| #include <cstddef> |
| |
| namespace v8 { |
| namespace internal { |
| |
| // A deterministic correlate of time, used to detect performance or |
| // divergence bugs in Turbofan. DoTick() should be called frequently |
| // thoughout the compilation. |
| class TickCounter { |
| public: |
| void DoTick(); |
| size_t CurrentTicks() const { return ticks_; } |
| |
| private: |
| size_t ticks_ = 0; |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_CODEGEN_TICK_COUNTER_H_ |