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...My recollection is that they want to add nop slides to the prologue and epilogue that can be hotpatched to enable and disable instrumentation at runtime. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20160414/a061e542/attachment.html>

Thanks for looping me in Eric! If I was going to suggest anything here, I'd like to think about a more general approach than a very specific attribute like this. My preference is something like "patchable-function"="kind,kind,..." (if that's even possible). This allows us to have common infrastructure for being able to implement different kinds of function-level