[llvm-dev] Access to dynamic execution information.

[fateme Hoseini via llvm-dev]

Thank you for your reply.

No, the profile information is either collected via instrumentation of the
> program or via external sampling profilers. It is then read back into the
> IR by the frontend or an optimization pass.
>
Does LLVM use instruction instrumention?

I am particularly looking for a program that create this profiling
information dynamically, i.e., from the machine code. And preferably has
the fault injection, detection ability.
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