[clang] [llvm] [Sanitizer] Make sanitizer passes idempotent (PR #99439)

Fangrui Song via llvm-commits llvm-commits at lists.llvm.org
Fri Jul 26 13:45:21 PDT 2024


MaskRay wrote:

> all previous proposals to add such "re-run" protection ended up with "the pipeline is wrong". But implementation is so trivial, so I don't mind just to have it implemented.

While the implementation is trivial, I also share the concern whether sanitizers should do this. There are many other instrumentation passes. Do they all need something like this? I feel this change hasn't been well motivated.

https://github.com/llvm/llvm-project/pull/99439


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