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On Mon, 2012-10-08 at 18:21 +0200, Richard Guenther wrote:
> On Mon, Oct 8, 2012 at 5:17 PM, David Malcolm wrote:
> > I'm working on a static analysis extension to GCC via my
> > gcc-python-plugin [1]
> >
> > The analysis is interprocedural (memory leak detection, as it happens).
> > I have it wor
Richard Guenther skribis:
> On Mon, Oct 8, 2012 at 6:04 PM, Ludovic Courtès
> wrote:
[...]
>> So it looks like there’s additional state corresponding to these
>> variables that needs updating?
>
> Ah, no, but I suppose TODO_update_address_taken doesn't really work at -O0
> so you need to fix t
On Mon, Oct 8, 2012 at 5:17 PM, David Malcolm wrote:
> I'm working on a static analysis extension to GCC via my
> gcc-python-plugin [1]
>
> The analysis is interprocedural (memory leak detection, as it happens).
> I have it working on one translation unit at a time, and I'm attempting
> to get it
On Mon, Oct 8, 2012 at 6:04 PM, Ludovic Courtès
wrote:
> Richard Guenther skribis:
>
>> On Mon, Oct 8, 2012 at 3:32 PM, Ludovic Courtès wrote:
>>> Richard Guenther skribis:
>>>
On Mon, Oct 8, 2012 at 1:42 PM, Ludovic Courtès wrote:
> Richard Guenther skribis:
>
>> On Mon, Oct
Richard Guenther skribis:
> On Mon, Oct 8, 2012 at 3:32 PM, Ludovic Courtès wrote:
>> Richard Guenther skribis:
>>
>>> On Mon, Oct 8, 2012 at 1:42 PM, Ludovic Courtès wrote:
Richard Guenther skribis:
> On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès wrote:
>> Richard Guent
I'm working on a static analysis extension to GCC via my
gcc-python-plugin [1]
The analysis is interprocedural (memory leak detection, as it happens).
I have it working on one translation unit at a time, and I'm attempting
to get it to work within Link Time Optimization so that it can see the
inte
On 10/06/2012 11:59 AM, _ wrote:
> Not that I think that STL/Boost are not great solutions for many
> problems out there.
> But the fact is that there is and always will be c/c++ code that can't
> and will not use it.
But surely the set of people refusing to use C++ smart pointers is the
same set
On Mon, Oct 8, 2012 at 3:32 PM, Ludovic Courtès wrote:
> Richard Guenther skribis:
>
>> On Mon, Oct 8, 2012 at 1:42 PM, Ludovic Courtès wrote:
>>> Richard Guenther skribis:
>>>
On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès wrote:
> Richard Guenther skribis:
>
>> At -O0 no
Richard Guenther skribis:
> On Mon, Oct 8, 2012 at 1:42 PM, Ludovic Courtès wrote:
>> Richard Guenther skribis:
>>
>>> On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès wrote:
Richard Guenther skribis:
> At -O0 no virtual operands are produced. TODO_rebuild_alias only computes
>
On Mon, Oct 8, 2012 at 1:42 PM, Ludovic Courtès wrote:
> Richard Guenther skribis:
>
>> On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès wrote:
>>> Richard Guenther skribis:
>>>
At -O0 no virtual operands are produced. TODO_rebuild_alias only computes
points-to sets which are in itse
Richard Guenther skribis:
> On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès wrote:
>> Richard Guenther skribis:
>>
>>> At -O0 no virtual operands are produced. TODO_rebuild_alias only computes
>>> points-to sets which are in itself not useful.
>>>
>>> What do you want to achieve with TODO_reb
On Mon, Oct 8, 2012 at 11:58 AM, Ludovic Courtès wrote:
> Richard Guenther skribis:
>
>> At -O0 no virtual operands are produced. TODO_rebuild_alias only computes
>> points-to sets which are in itself not useful.
>>
>> What do you want to achieve with TODO_rebuild_alias?
>
> I basically want to
Richard Guenther skribis:
> At -O0 no virtual operands are produced. TODO_rebuild_alias only computes
> points-to sets which are in itself not useful.
>
> What do you want to achieve with TODO_rebuild_alias?
I basically want to use ‘ptr_derefs_may_alias_p’ in this particular pass.
Thanks,
Ludo
On Mon, Oct 8, 2012 at 11:26 AM, Ludovic Courtès wrote:
> Hello,
>
> Consider the attached plug-in, which adds a new dummy pass after the
> “ssa” pass, with ‘TODO_rebuild_alias’ as its start flags:
>
>
>
> When compiling with -O0 a non-trivial file with that plug-in, one ends
> up with:
>
> numb
Hello,
Consider the attached plug-in, which adds a new dummy pass after the
“ssa” pass, with ‘TODO_rebuild_alias’ as its start flags:
#include
#include
#include
#include
int plugin_is_GPL_compatible;
static unsigned int
my_pass (void)
{
return 0;
}
static struct opt_pass pass_dummy =
On 10/05/2012 06:08 PM, _ wrote:
What you guys think about this?
I think we should wait if the Rust folks come up with a sound (in the
type-theoretic sense) and useful (in terms of programmer burden)
solution. After that, we can contemplate whether we can retrofit their
solution onto C/C++
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