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gh-126835: Move constant subscript folding to CFG - #129568
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WolframAlph
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Eclips4, iritkatriel, isidentical and markshannon
as code ownersFebruary 2, 2025 08:44
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tomasr8
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Feb 2, 2025
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iritkatriel
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Feb 2, 2025
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No, we can merge this first so you can make progress with the folding business. I'm still working on that one. |
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Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
This was referenced Feb 3, 2025
Eclips4
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Feb 3, 2025
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LGTM. I'll wait until the test case is split (#129568 (comment)) and then merge it. However, I think it's worth adding a NEWS entry as all our PRs related to moving the folding optimization from ast to CFG will require it.
iritkatriel
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Feb 3, 2025
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Moving folding from ast construction to codegen/flowgraph definitely needs a news entry because ast.parse() is in the stdlib. Moving a folding from codegen to flow graph is no that exposed to users, but we might as well mention it in the whatsnew in case behaviour changed in some edge case and someone will want to look up why it may be so. That said, one whatnew entry about all the folding moves will probably be enough (pointing to multiple issues if need be). |
Member
Agreed. So let's do it when all the folding has been moved. |
ContributorAuthor
I have split tests and added |
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Feb 4, 2025
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vstinner
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Feb 4, 2025
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@WolframAlph@Eclips4: This change introduced a reference leak, see #129635. |
WolframAlph
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Feb 4, 2025
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srinivasreddy pushed a commit
to srinivasreddy/cpython
that referenced
this pull request
Feb 7, 2025
Move folding of constant subscription from AST optimizer to CFG. Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
cmaloney pushed a commit
to cmaloney/cpython
that referenced
this pull request
Feb 8, 2025
Move folding of constant subscription from AST optimizer to CFG. Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
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cc @Eclips4@tomasr8