Re: [PATCH] Add -fdump-rtl-<pass>-quiet

[Andrew Stubbs <andrew_stubbs at mentor dot com>]

On 19/04/12 17:21, Xinliang David Li wrote:
> > To me, the existing "(default), verbose, details" option set makes sense,
> > and adding "quiet" to that set seemed appropriate. I'm not sure I like the
> > idea of renaming existing options, even if they aren't likely to break much.
>
> It is confusing. 'verbose' applies to IR, while 'details' applies to
> debug traces.

Ah, so -fdump-rtl-all-quiet-verbose might actually be meaningful? 
Interesting, I had not spotted that. Like I said, the documentation 
could use a once over.

> > > These are new proposed flags: To control IR dump before the pass or
> > > after the pass.
> >
> > Why? Is there a case where the dump from after the previous pass is not the
> > same as the dump before the next?
>
> For productivity -- without it, you either need to remember all pass
> ordering, or always dump-all -->  the latter can be prohibitive for
> very large files.

Fair enough.

Andrew