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author	mpage <mpage@meta.com>
	Tue, 1 Apr 2025 17:18:42 +0000 (10:18 -0700)
committer	GitHub <noreply@github.com>
	Tue, 1 Apr 2025 17:18:42 +0000 (10:18 -0700)
commit	053c285f6b41f92fbdd1d4ff0c959cceefacd7cd
tree	c30af215989dca6fdd8f8ebb74396f29abdca308	tree \| snapshot
parent	e9556e100452ed5a92fcf0e333ab75b0da29cf5b	commit \| diff

gh-130704: Strength reduce `LOAD_FAST{_LOAD_FAST}` (#130708)

Optimize `LOAD_FAST` opcodes into faster versions that load borrowed references onto the operand stack when we can prove that the lifetime of the local outlives the lifetime of the temporary that is loaded onto the stack.

35 files changed:

Doc/library/dis.rst		diff \| blob \| blame \| history
Include/internal/pycore_frame.h		diff \| blob \| blame \| history
Include/internal/pycore_opcode_metadata.h		diff \| blob \| blame \| history
Include/internal/pycore_stackref.h		diff \| blob \| blame \| history
Include/internal/pycore_uop_ids.h		diff \| blob \| blame \| history
Include/internal/pycore_uop_metadata.h		diff \| blob \| blame \| history
Include/opcode_ids.h		diff \| blob \| blame \| history
Lib/_opcode_metadata.py		diff \| blob \| blame \| history
Lib/dis.py		diff \| blob \| blame \| history
Lib/test/test_capi/test_opt.py		diff \| blob \| blame \| history
Lib/test/test_ctypes/test_memfunctions.py		diff \| blob \| blame \| history
Lib/test/test_ctypes/test_refcounts.py		diff \| blob \| blame \| history
Lib/test/test_ctypes/test_stringptr.py		diff \| blob \| blame \| history
Lib/test/test_dis.py		diff \| blob \| blame \| history
Lib/test/test_frame.py		diff \| blob \| blame \| history
Lib/test/test_generators.py		diff \| blob \| blame \| history
Lib/test/test_importlib/test_abc.py		diff \| blob \| blame \| history
Lib/test/test_peepholer.py		diff \| blob \| blame \| history
Lib/test/test_sys.py		diff \| blob \| blame \| history
Lib/test/test_traceback.py		diff \| blob \| blame \| history
Misc/NEWS.d/next/Core_and_Builtins/2025-02-28-11-29-35.gh-issue-130704.7RDVLE.rst	[new file with mode: 0644]	blob
Objects/floatobject.c		diff \| blob \| blame \| history
Objects/frameobject.c		diff \| blob \| blame \| history
Programs/test_frozenmain.h		diff \| blob \| blame \| history
Python/bytecodes.c		diff \| blob \| blame \| history
Python/executor_cases.c.h		diff \| blob \| blame \| history
Python/flowgraph.c		diff \| blob \| blame \| history
Python/gc.c		diff \| blob \| blame \| history
Python/generated_cases.c.h		diff \| blob \| blame \| history
Python/opcode_targets.h		diff \| blob \| blame \| history
Python/optimizer_analysis.c		diff \| blob \| blame \| history
Python/optimizer_bytecodes.c		diff \| blob \| blame \| history
Python/optimizer_cases.c.h		diff \| blob \| blame \| history
Tools/cases_generator/analyzer.py		diff \| blob \| blame \| history
Tools/cases_generator/opcode_metadata_generator.py		diff \| blob \| blame \| history

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