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draft - memory fuzzer for venom #4686

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Comment on lines +23 to +32
from vyper.venom.passes import (
CFGNormalization,
AssignElimination,
DeadStoreElimination,
LoadElimination,
MakeSSA,
MemMergePass,
SimplifyCFGPass,
SingleUseExpansion,
)

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Code scanning / CodeQL

Unused import Note test

Import of 'DeadStoreElimination' is not used.
Import of 'LoadElimination' is not used.
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codecov bot commented Jun 26, 2025

Codecov Report

Attention: Patch coverage is 70.37037% with 8 lines in your changes missing coverage. Please review.

Project coverage is 93.09%. Comparing base (c1b6130) to head (cfa0d1d).

Files with missing lines Patch % Lines
vyper/venom/context.py 63.15% 5 Missing and 2 partials ⚠️
vyper/venom/basicblock.py 75.00% 0 Missing and 1 partial ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #4686      +/-   ##
==========================================
+ Coverage   92.99%   93.09%   +0.09%     
==========================================
  Files         131      131              
  Lines       19094    19119      +25     
  Branches     3324     3329       +5     
==========================================
+ Hits        17757    17799      +42     
+ Misses        899      878      -21     
- Partials      438      442       +4     

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@charles-cooper
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this seems to be working somewhat, but i get a bunch of OVERRUN messages (in debug mode), which seems to substantially slow down example generation:
Screenshot from 2025-06-26 12-35-20

@cyberthirst could you please look into this?

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