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

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Merged
markshannon merged 5 commits into from
Feb 2, 2026
Merged

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

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72ebedd
Add value recording to JIT tracing front-end
markshannon Jan 23, 2026
515a570
Add c-analyzer exclusion for generated files
markshannon Jan 28, 2026
98cea71
Add new generated file to list of generated files for git
markshannon Feb 2, 2026
3ddd0b5
Merge branch 'main' into add-value-recording-to-jit-frontend
markshannon Feb 2, 2026
6be110a
Merge branch 'main' into add-value-recording-to-jit-frontend
markshannon Feb 2, 2026
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1 change: 1 addition & 0 deletions 1 .gitattributes
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@ Python/executor_cases.c.h generated
Python/generated_cases.c.h generated
Python/optimizer_cases.c.h generated
Python/opcode_targets.h generated
Python/record_functions.c.h generated
Python/stdlib_module_names.h generated
Tools/peg_generator/pegen/grammar_parser.py generated
aclocal.m4 generated
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132 changes: 67 additions & 65 deletions 132 Include/internal/pycore_opcode_metadata.h
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9 changes: 8 additions & 1 deletion 9 Include/internal/pycore_optimizer.h
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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 Down Expand 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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