8000 GH-131729: Code-gen better liveness analysis by markshannon · Pull Request #131732 · python/cpython · GitHub
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GH-131729: Code-gen better liveness analysis #131732

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Merged
merged 12 commits into from
Mar 26, 2025
Merged

GH-131729: Code-gen better liveness analysis #131732

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45199ae
Remove redundant attribute
markshannon Mar 24, 2025
d786146
Rename 'defined' attribute to 'in_local' to more accurately reflect h…
markshannon Mar 24, 2025
2b21bf9
Remove unused function
markshannon Mar 24, 2025
66f5826
Make death of variables explicit even for array variables.
markshannon Mar 24, 2025
5d6a9f8
Remove used 'peeks' attribute
markshannon Mar 24, 2025
6e2a189
Convert in_memory from boolean to stack offset
markshannon Mar 24, 2025
417c96d
Don't apply liveness analyis to optimizer generated code
markshannon Mar 25, 2025
05a4daa
Fix RETURN_VALUE in optimizer
markshannon Mar 25, 2025
b8c3a9e
Fix up type annotations
markshannon Mar 25, 2025
d81c7de
Fixup NULLing out array items during DECREF_INPUTS
markshannon Mar 26, 2025
af5f616
Cleanup errors
markshannon Mar 26, 2025
9238a67
Update test output to reflect fix
markshannon Mar 26, 2025
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Remove unused function
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@markshannon
markshannon committed Mar 24, 2025
commit 2b21bf940249215a5d82ebeb75f7c58a0ba5356b
6 changes: 0 additions & 6 deletions Tools/cases_generator/stack.py
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Original file line number Diff line number Diff line change
Expand Up @@ -415,12 +415,6 @@ def is_live(var: Local) -> bool:
var.name != "unused"
)

def first_input_not_cleared(self) -> str:
for input in self.inputs:
if input.in_local:
return input.name
return ""

def clear_inputs(self, reason:str) -> None:
while self.inputs:
tos = self.inputs.pop()
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