[PATCH] Single function IR dump

[Chandler Carruth]

On Wed, Nov 19, 2014 at 7:45 PM, Eric Christopher <echristo at gmail.com>
wrote:

> Does seem useful in a few limited cases, one comment - you do know about
> llvm-extract right?
>

I think that this flag is most useful as a filter on the -print-before kind
of flags. Given that, what I wanted to suggest was for this flag to use the
logic of llvm-extract so that it produces a  stand-alone module with just
the one function when doing print-before-all, etc. That might also suggest
specific flag names related to the 'extract' logic.

I know that I have frequently wanted to essentially run llvm-extract
programmatically during the pass pipeline.
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