Automatic PGO - Initial implementation (1/N)

Diego Novillo dnovillo at
Wed Sep 25 08:13:20 PDT 2013

On Wed, Sep 25, 2013 at 11:04 AM, Eric Christopher <echristo at> wrote:
> On Wed, Sep 25, 2013 at 6:20 AM, Diego Novillo <dnovillo at> wrote:
>> OK, I think that just having line number information should be enough.
>>  I take it that it would not be a problem if I forced
>> -gline-tables-only in the front end when -mauto-profile is used?
> Nope, but -mauto-profile? Why not -fauto-profile?

Sure.  I'm still not sure I know the difference between -m and -f in
LLVM.  I had the idea that -m was used to enable passes in opt and -f
was to enable Clang features.


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