Add -fauto-profile option to Clang driver

Chandler Carruth chandlerc at
Tue Oct 22 10:26:55 PDT 2013

On Tue, Oct 22, 2013 at 10:23 AM, Diego Novillo <dnovillo at> wrote:

> On Tue, Oct 22, 2013 at 1:18 PM, Chandler Carruth <chandlerc at>
> wrote:
> > I wonder if the better way to go is to start with a very narrow flag
> name,
> > and generalize it when the infrastructure for more generalized profile
> > reading arrives? Supporting a highly specific flag for a long time
> doesn't
> > seem like a high cost.
> You mean add -f<blah>-profile as we add more capabilities and make
> this one be -fsample-profile?

And, if we end up with a single common profile format at some point, we can
merge. But let's see what others think as well.
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