[llvm-dev] ThinLTO and linkonce_odr + unnamed_addr

Rafael Avila de Espindola via llvm-dev llvm-dev at lists.llvm.org
Fri Feb 9 11:43:25 PST 2018

Mehdi AMINI via llvm-dev <llvm-dev at lists.llvm.org> writes:

> Isn't #2 actually changing the behavior by changing the visibility while
> llvm.compiler_used seems actually closest to current behavior to me?
> The visibility hidden would break comparison of function as you mentioned,
> which is not the case with auto-hide if I didn't miss anything.

If comparison is important and the IR has unnamed_addr it is
invalid. The reason for having unnamed_addr is to let llvm know that it
can ignore pointer comparisons.


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