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gh-143946: Add more debug info in`optimize_uops`#144262

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Merged

Fidget-Spinner merged 1 commit intopython:mainfromcocolato:add_debug_info

Jan 29, 2026

Merged

gh-143946: Add more debug info in`optimize_uops`#144262

Fidget-Spinner merged 1 commit intopython:mainfromcocolato:add_debug_info

Jan 29, 2026

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cocolato commentedJan 27, 2026•
edited by bedevere-appbot
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In#143957, we can dump the stack and locals details when setPYTHON_OPT_DEBUG > 4. But it only print the details before we optimize the uops, add the debug info after the optimization is useful.

We can get some debug info like this now:

  61 abs: _STORE_ATTR_SLOT (0, target=2, operand0=0x10, operand1=0)    locals=[<Point slots[0] v131145 at 0x74b74d76d4e8>, <int val=0xcc8670 at 0x74b74d76d4b8>, <int val=0xcc8690 at 0x74b74d76d4c8>]    stack=[<int val=0xcc8670 at 0x74b74d76d4b8>, <Point slots[0] v131145 at 0x74b74d76d4e8>]  61 out: _STORE_ATTR_SLOT_NULL (0, target=2, operand0=0x10, operand1=0)    locals=[<Point slots[1] v131145 at 0x74b74d76d4e8>, <int val=0xcc8670 at 0x74b74d76d4b8>, <int val=0xcc8690 at 0x74b74d76d4c8>]    stack=[<Point slots[1] v131145 at 0x74b74d76d4e8>] stack_level 1  62 abs: _POP_TOP (0, target=2, operand0=0, operand1=0)    locals=[<Point slots[1] v131145 at 0x74b74d76d4e8>, <int val=0xcc8670 at 0x74b74d76d4b8>, <int val=0xcc8690 at 0x74b74d76d4c8>]    stack=[<Point slots[1] v131145 at 0x74b74d76d4e8>]  62 out: _POP_TOP_NOP (0, target=2, operand0=0, operand1=0)    locals=[<Point slots[1] v131145 at 0x74b74d76d4e8>, <int val=0xcc8670 at 0x74b74d76d4b8>, <int val=0xcc8690 at 0x74b74d76d4c8>]    stack=[] stack_level 0