[llvm-dev] Where does the LLVM implement the Ubsan's instrumentations?

John Regehr via llvm-dev llvm-dev at lists.llvm.org
Thu Jul 20 20:41:45 PDT 2017

> I think your best bet for controlling code bloat is to compile with 
> -fsanitize=undefined -fsanitize-trap=undefined.

Also you may not need all of UBSan's checks at the same time -- so pick 
and choose among its checks using the finer-grained flags.

If you're really stuck against a hard limit on code size, try applying 
UBSan to a subset of files in your project at a time.


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