[llvm-dev] [cfe-dev] How to debug if LTO generate wrong code?

Rafael EspĂ­ndola via llvm-dev llvm-dev at lists.llvm.org
Mon May 30 16:52:42 PDT 2016

On 30 May 2016 at 16:56, Mehdi Amini <mehdi.amini at apple.com> wrote:
> On 05/30/16 01:34 PM, Rafael EspĂ­ndola <rafael.espindola at gmail.com> wrote:
> We don't use cl::opt in gold, instead we parse the -plugin-opts that
> gold passes the plugin (see process_plugin_option).
> What about that:
> $ grep ParseCommandLineOptions tools/gold/gold-plugin.cpp
>       // ParseCommandLineOptions() expects argv[0] to be program name.
> Lazily
>     cl::ParseCommandLineOptions(NumOpts, &options::extra[0]);

That is for the options that the gold plugin itself doesn't understand
and just passes to llvm. This allows you to do things like


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