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2017 Jun 16
2
How does sanitizers in compiler-rt work?
Can anybody give me any pointer on how compiler-rt, especially the sanitizers work? Do they operate on IR as any other LLVM pass? Or are they integral part of the frontend itself? I couldn't spot any documentation on the internals of compiler-rt project? What happens (sequence of actions) when I pass -fsanitizer=dataflow to clang? Precisely, I intend to alter the behaviour of DFSan to suit my