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GH-144179: Add value recording to JIT tracing front-end#144303

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markshannon wants to merge2 commits intopython:main
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132 changes: 67 additions & 65 deletionsInclude/internal/pycore_opcode_metadata.h
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9 changes: 8 additions & 1 deletionInclude/internal/pycore_optimizer.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -90,6 +90,7 @@ typedef struct _PyJitTracerPreviousState {
PyCodeObject *instr_code; // Strong
struct _PyInterpreterFrame *instr_frame;
_PyBloomFilter dependencies;
PyObject *recorded_value; // Strong, may be NULL
} _PyJitTracerPreviousState;

typedef struct _PyJitTracerTranslatorState {
Expand DownExpand Up@@ -336,14 +337,20 @@ PyAPI_FUNC(int) _PyJit_translate_single_bytecode_to_trace(PyThreadState *tstate,
PyAPI_FUNC(int)
_PyJit_TryInitializeTracing(PyThreadState *tstate, _PyInterpreterFrame *frame,
_Py_CODEUNIT *curr_instr, _Py_CODEUNIT *start_instr,
_Py_CODEUNIT *close_loop_instr,int curr_stackdepth, int chain_depth, _PyExitData *exit,
_Py_CODEUNIT *close_loop_instr,_PyStackRef *stack_pointer, int chain_depth, _PyExitData *exit,
int oparg, _PyExecutorObject *current_executor);

PyAPI_FUNC(void) _PyJit_FinalizeTracing(PyThreadState *tstate, int err);
void _PyJit_TracerFree(_PyThreadStateImpl *_tstate);

void _PyJit_Tracer_InvalidateDependency(PyThreadState *old_tstate, void *obj);

#ifdef _Py_TIER2
typedef void (*_Py_RecordFuncPtr)(_PyInterpreterFrame *frame, _PyStackRef *stackpointer, int oparg, PyObject **recorded_value);
PyAPI_DATA(const _Py_RecordFuncPtr) _PyOpcode_RecordFunctions[];
PyAPI_DATA(const uint8_t) _PyOpcode_RecordFunctionIndices[256];
#endif

#ifdef __cplusplus
}
#endif
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