[PATCH] D19678: Annotated-source optimization reports (a.k.a. "listing" files)

[John McCall via cfe-commits]

rjmccall added a comment.

In http://reviews.llvm.org/D19678#420358, @hfinkel wrote:

> In http://reviews.llvm.org/D19678#419445, @rjmccall wrote:
>
> > This discussion of the command line interface makes me think that we should be taking Richard's suggestion one step further.  Why is Clang's involvement here more than just handing down specific requests for optimization data to LLVM and packaging that information back into some reasonable format?
>
>
> The static analyzer supports outputting its data in plist format (with which I'm not familiar in detail, but it looks like a fairly-simple xml format). Is that close to what you had in mind? Maybe YAML would be better (since LLVM actually has a parser for that)?


YAML makes a lot of sense to me.

> > If we did that, then Clang just needs (1) an output filename, (2) an optional list of passes to collect data from, and (3) maybe some stringly-typed configuration data for each.

> 

> 

> Sure. Although I'd prefer to leave the filtering to the tool unless the I/O requirements become unmanageable. Users don't know, and shouldn't know, what passes do what.


Sure, seems reasonable.  So we can start with just some way to turn the feature on and specify a filename.


http://reviews.llvm.org/D19678