[llvm-dev] emulated-tls + LTO

Peter Collingbourne via llvm-dev llvm-dev at lists.llvm.org
Thu Sep 7 11:36:42 PDT 2017

I think that particular option would need to be embedded in the IR. In
general, if an option is normally passed only at compile time, it would
need to have some representation in the IR.


On Thu, Sep 7, 2017 at 10:53 AM, Pirama Arumuga Nainar via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> The gold plugin supports many of the backend options.  But Clang doesn't
> pass all of them to the plugin as it does to the backend.
> For example, to support -emulated-tls with LTO, Clang needs to pass
> -emulated-tls to the LTO backend.  Shall I just change the driver to add
> -plugin-opt=-emulated-tls or is the best practice to embed this in the IR?
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