[llvm] r280447 - [PM] Add a unittest for invalidating module analyses with an SCC pass.

[Chandler Carruth via llvm-commits]

On Thu, Sep 1, 2016 at 6:24 PM Chandler Carruth via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

> Author: chandlerc
> Date: Thu Sep  1 20:16:27 2016
> New Revision: 280447
>
> URL: http://llvm.org/viewvc/llvm-project?rev=280447&view=rev
> Log:
> [PM] Add a unittest for invalidating module analyses with an SCC pass.
>
> This wasn't really well explicitly tested with a nice unittest before.
> It seems good to have reasonably broken out unittests for this kind of
> functionality as I'm workin go other invalidation features to make sure
> none of the existing ones regress.
>
> This still has too much duplicated code, I plan to factor that out in
> a subsequent commit to use common helpers for repeated parts of this.
>

Very sorry, this shouldn't have been committed. There is still debugging
code in it, and in fact the test only passes because of other bugs that I'm
fixing. I accidentally included this in a set of in-flight patches I landed
when I meant to queue it up behind the fixes to those other bugs. I've
reverted this in r280620 for now and will re-add the test without debug
code and when it will actually pass for the right reasons (and also in a
form where it won't pass for the wrong reasons!)
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