[llvm] Revert "[SCEV] Fold  (C1 * A /u C2) -> A /u (C2 /u C1), if C2 > C1." (PR #158328)
    Florian Hahn via llvm-commits 
    llvm-commits at lists.llvm.org
       
    Fri Sep 12 10:32:27 PDT 2025
    
    
  
https://github.com/fhahn commented:
> There are multiple reports that this is causing miscompiles in the MSan test suite after bootstrapping 
To clarify, my understanding as per @ilovepi 's latest comment in https://github.com/llvm/llvm-project/pull/157656#issuecomment-3283027844 is that the MSan bootstrap failures are not related to the patch.
If they are actually related, please let me know, as that currently would be the only actionable way to get a reproducer.
https://github.com/llvm/llvm-project/pull/158328
    
    
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