* How to check reachable between blocks
[not found] <e72e4772-97e3-49f8-8a7d-3d4af002be45@Spark>
@ 2020-10-10 3:00 ` Jojo R
2020-10-10 3:13 ` Andrew Pinski
0 siblings, 1 reply; 4+ messages in thread
From: Jojo R @ 2020-10-10 3:00 UTC (permalink / raw)
To: GCC Development
Hi,
Is there any API or common codes to check any two blocks is reachable ?
Thanks.
Jojo
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: How to check reachable between blocks
2020-10-10 3:00 ` How to check reachable between blocks Jojo R
@ 2020-10-10 3:13 ` Andrew Pinski
2020-10-10 3:31 ` Jojo R
2020-10-10 18:26 ` Gary Oblock
0 siblings, 2 replies; 4+ messages in thread
From: Andrew Pinski @ 2020-10-10 3:13 UTC (permalink / raw)
To: Jojo R; +Cc: GCC Development
On Fri, Oct 9, 2020 at 8:01 PM Jojo R <jiejie_rong@c-sky.com> wrote:
>
> Hi,
>
> Is there any API or common codes to check any two blocks is reachable ?
Yes the API in dominance.h.
Depending on where you use it, you might need to have it created.
Using calculate_dominance_info function.
The function to do the check is dominated_by_p.
Thanks,
Andrew Pinski
>
> Thanks.
>
> Jojo
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: How to check reachable between blocks
2020-10-10 3:13 ` Andrew Pinski
@ 2020-10-10 3:31 ` Jojo R
2020-10-10 18:26 ` Gary Oblock
1 sibling, 0 replies; 4+ messages in thread
From: Jojo R @ 2020-10-10 3:31 UTC (permalink / raw)
To: Andrew Pinski; +Cc: GCC Development
Hi,
Thanks, i will dig it deeply :)
Jojo
在 2020年10月10日 +0800 AM11:14，Andrew Pinski <pinskia@gmail.com>，写道：
> On Fri, Oct 9, 2020 at 8:01 PM Jojo R <jiejie_rong@c-sky.com> wrote:
> >
> > Hi,
> >
> > Is there any API or common codes to check any two blocks is reachable ?
>
> Yes the API in dominance.h.
> Depending on where you use it, you might need to have it created.
> Using calculate_dominance_info function.
> The function to do the check is dominated_by_p.
>
> Thanks,
> Andrew Pinski
>
>
> >
> > Thanks.
> >
> > Jojo
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: How to check reachable between blocks
2020-10-10 3:13 ` Andrew Pinski
2020-10-10 3:31 ` Jojo R
@ 2020-10-10 18:26 ` Gary Oblock
1 sibling, 0 replies; 4+ messages in thread
From: Gary Oblock @ 2020-10-10 18:26 UTC (permalink / raw)
To: Andrew Pinski, Jojo R; +Cc: GCC Development
Andrew,
Dominance and reachability are two different but related things. It's trivial to come up with a simple example to show this.
Gary
________________________________
From: Andrew Pinski <pinskia@gmail.com>
Sent: Friday, October 9, 2020 8:13 PM
To: Jojo R <jiejie_rong@c-sky.com>
Cc: GCC Development <gcc@gcc.gnu.org>
Subject: Re: How to check reachable between blocks
On Fri, Oct 9, 2020 at 8:01 PM Jojo R <jiejie_rong@c-sky.com> wrote:
>
> Hi,
>
> Is there any API or common codes to check any two blocks is reachable ?
Yes the API in dominance.h.
Depending on where you use it, you might need to have it created.
Using calculate_dominance_info function.
The function to do the check is dominated_by_p.
Thanks,
Andrew Pinski
>
> Thanks.
>
> Jojo
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-10-10 18:26 UTC | newest]
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[not found] <e72e4772-97e3-49f8-8a7d-3d4af002be45@Spark>
2020-10-10 3:00 ` How to check reachable between blocks Jojo R
2020-10-10 3:13 ` Andrew Pinski
2020-10-10 3:31 ` Jojo R
2020-10-10 18:26 ` Gary Oblock
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