[LLVMdev] CodeGenOpt

[Chris Lattner]

On Feb 23, 2011, at 1:49 PM, David Greene wrote:

> The existing CodeGenOpt is not flexible enough for our needs.  Our
> customers want to be able to control the optimization level at a fine
> grain, so we provide them separate dials for general optimization, fp
> optimization and memory hierarchy optimization.
> 
> I would like to replace the existing CodeGenOpt::Level enum with a more
> general CodeGenOpt class that can track different sets of optimization
> level.  Initially it would look something like this:
> 
> class CodeGenOpt {
>  ...
> public
>  getOptLevel() ...;
>  getFPLevel() ...;
>  getMemLevel() ...;
> };
> 
> Does this sound reasonable?

I don't think that this is the right way to go.  Higher level decisions like that should affect your choice of passes to schedule.

-Chris