[llvm-dev] Question about GlobalOpt

[Sanjoy Das via llvm-dev]

On Mon, Mar 21, 2016 at 5:34 PM, Chandler Carruth via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> I think the conceptual issues have largely been sorted out, it is mostly
> that it is *much* harder to deduce norecurse than it might seem like
> superficially.

Is there a specific thread / email I can look at to read about what
the issues were?

-- Sanjoy