[LLVMdev] enable globalsmodref-aa by default

[Chandler Carruth]

Hah. No. =/

So, globalsmodref-aa is *very very broken*. I'm working on emails to
explain this, but I *really* don't want this to be enabled in the primary
pass pipeline in its current form, if ever. It currently relies on bugs in
the pass manager to even begin to work, and is wrong in many cases as a
consequence.

On Mon, Jul 13, 2015 at 10:27 AM Xin Tong <trent.xin.tong at gmail.com> wrote:

> Hello
>
>
> I am trying to enable globalsmodref-aa by default. globalmodref-aa is a
> ModulePass and therefore can be invalidated and need to be rerun.
>
>
> I see globalsmodref-aa is enabled in LTO passmanager by adding the
> analysis pass explicitly. I wonder whether globalsmodref-aa can be
> enabled/run based on pass dependencies, i.e. those indicated in
> getAnalysisUsage().
>
> Thanks,
> Xin
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