[cfe-dev] Inlining temporary destructor calls...

[Manuel Klimek]

On Fri, Jun 20, 2014 at 7:17 PM, Jordan Rose <jordan_rose at apple.com> wrote:

>
> On Jun 18, 2014, at 9:08 , Manuel Klimek <klimek at google.com> wrote:
>
> > Hi Jordan,
> >
> > I've started to look into inlining temporary destructors, but I'm
> hitting a wall.
> > Specifically, I think I fail at finding the right MemRegion in
> ProcessTemporaryDtor (there is a comment in there, that says we need the
> region for the VisitCXXDestructor call).
> >
> > Any help / pointers / brain-dumps on how to do it would be highly
> appreciated.
>
> Hm. I haven't thought about it enough to give you a fool-proof plan, but
> one possibility could be to store the MemRegion in the state at the point
> of the CXXBindTemporaryExpr, rather than just a boolean flag. I don't quite
> know what the ramifications of that would be, though.
>
> (By the time we get to the destructor, the value of the
> CXXBindTemporaryExpr is almost certainly no longer in the Environment.)
>

Are there other cases in which we store the MemRegion so we make sure it
doesn't get expunged from the Environment, so I can take a look at similar
code?

Thanks,
/Manuel


>
> Jordan
>
>
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