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Title: gh-131798: Split `CHECK_FUNCTION_VERSION` into two guards in the JIT by Sacul0457 · Pull Request #145080 · python/cpython · GitHub

Open Graph Title: gh-131798: Split `CHECK_FUNCTION_VERSION` into two guards in the JIT by Sacul0457 · Pull Request #145080 · python/cpython

X Title: gh-131798: Split `CHECK_FUNCTION_VERSION` into two guards in the JIT by Sacul0457 · Pull Request #145080 · python/cpython

Description: This PR splits up _CHECK_FUNCTION_VERSION into _GUARD_CALLABLE_FUNCTION and itself. This allows the optimizer to remove the PyFunction_Check check if we know the type. I think the naming can be improved but this is just what I went for. This can be done for _CHECK_FUNCTION_VERSION_KW too but I left that out to keep the change smaller. Issue: gh-131798

Open Graph Description: This PR splits up _CHECK_FUNCTION_VERSION into _GUARD_CALLABLE_FUNCTION and itself. This allows the optimizer to remove the PyFunction_Check check if we know the type. I think the naming can be imp...

X Description: This PR splits up _CHECK_FUNCTION_VERSION into _GUARD_CALLABLE_FUNCTION and itself. This allows the optimizer to remove the PyFunction_Check check if we know the type. I think the naming can be imp...

Opengraph URL: https://github.com/python/cpython/pull/145080

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ebcc043 Split CHECK_FUNCTION_VERSION into two guards Sacul0457 Feb 21, 2026 https://github.com/python/cpython/pull/145080/commits/ebcc04386aaf4a71b7d8bdba6e3a10ab3d38a211
481ad4b address review and add assert Sacul0457 Feb 25, 2026 https://github.com/python/cpython/pull/145080/commits/481ad4b4829e321e310be38ad25842c10fa2e712
e775a6b Attempting to fix merge conflicts... Sacul0457 Feb 25, 2026 https://github.com/python/cpython/pull/145080/commits/e775a6b5ee680e71b1a9d9b4939cb025edacdde7
7c62059 Merge branch 'main' into Split-up-CHECK_FUNCTION_VERSION Sacul0457 Mar 13, 2026 https://github.com/python/cpython/pull/145080/commits/7c620592742260fe1885e48d598fd83faf7f04f4
86c929d 📜🤖 Added by blurb_it. blurb-it[bot] Mar 13, 2026 https://github.com/python/cpython/pull/145080/commits/86c929dab1553e462cdc50a8d14aa750bf5aa1a1
99cbd72 regen files Sacul0457 Mar 13, 2026 https://github.com/python/cpython/pull/145080/commits/99cbd72b0c92bac80917be6599d4e021fccd4c53
0a3a178 Merge branch 'Split-up-CHECK_FUNCTION_VERSION' of https://github.com/… Sacul0457 Mar 13, 2026 https://github.com/python/cpython/pull/145080/commits/0a3a178d1bd6eb399e21092fc7cec87b056ee1c5
f58adeb fix lint Sacul0457 Mar 13, 2026 https://github.com/python/cpython/pull/145080/commits/f58adeb2de0d3d4214a41ec4a01062cc187dc341
aa03bc0 change to assert Sacul0457 Mar 13, 2026 https://github.com/python/cpython/pull/145080/commits/aa03bc0b44e931595cc335a907377374e09006a1
40d2eaa Merge branch 'main' into Split-up-CHECK_FUNCTION_VERSION Sacul0457 Mar 21, 2026 https://github.com/python/cpython/pull/145080/commits/40d2eaa2a747ecf7beb6c83cdbed068f851edfde
f7a5f30 regen files Sacul0457 Mar 21, 2026 https://github.com/python/cpython/pull/145080/commits/f7a5f300e8b0909ee6fb67facc59e5904f6588bd
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