[LLVMdev] Compiler Driver Decisions

[Chris Lattner]

On Wed, 4 Aug 2004, Reid Spencer wrote:

> On Wed, 2004-08-04 at 12:23, Misha Brukman wrote:
> > On Wed, Aug 04, 2004 at 12:16:12PM -0700, Reid Spencer wrote:
> > > So I propose:
> > >
> > [snip]
> > > -O3 = aggressive optimization, regardless of computation time with the
> > >         effect of producing the fastest executable
> >
> > I would suggest splitting -O3 into 2 or more levels of optimization,
> > because as written, -O3 sounds pretty scary: "regardless of computation
> > time", and given some people who thing that several minutes of compile
> > time is acceptable, I think it's useful to split it into "aggresive
> > opt", "aggresive interprocedural opt", and "aggressive interprocedural
> > analysis with interprocedural opt".
>
> Okay, sounds good. How about:
>
> -O3agg
> -O3ipo
> -O3aggipo

How about we figure it out as it gets closer :)

-Chris

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