From: Richard Biener <richard.guenther@gmail.com>
To: kugan <kugan.vivekanandarajah@linaro.org>
Cc: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
Jan Hubicka <hubicka@ucw.cz>, Martin Jambor <mjambor@suse.cz>
Subject: Re: [RFC][IPA-VRP] Re-factor tree-vrp to factor out common code
Date: Wed, 17 Aug 2016 13:46:00 -0000 [thread overview]
Message-ID: <CAFiYyc2bjb03v2+uEn_hh9YjFDXv8+Dx7FWELpgEZR0AO5zUrg@mail.gmail.com> (raw)
In-Reply-To: <a7f37184-294c-b551-f967-b2973ce6d3a0@linaro.org>
On Wed, Aug 17, 2016 at 4:50 AM, kugan
<kugan.vivekanandarajah@linaro.org> wrote:
> Hi Richard,
>
>
> On 17/08/16 08:20, kugan wrote:
>>
>> Hi,
>>
>> On 16/08/16 21:56, Richard Biener wrote:
>>>
>>> On Tue, Aug 16, 2016 at 10:09 AM, kugan
>>> <kugan.vivekanandarajah@linaro.org> wrote:
>>>>
>>>>
>>>>
>>>>
>>>> On 23/07/16 20:12, kugan wrote:
>>>>>
>>>>>
>>>>> Hi Richard,
>>>>>
>>>>>>> As we had value_range_type in tree-ssanames.h why not put value_range
>>>>>>> there?
>>>>>>>
>>>>>> For IPA_VRP, we now need value_range used in ipa-prop.h (in ipa-vrp
>>>>>> patch). Based on this, attached patch now adds struct value_range to
>>>>>> tree-ssanames.h and fixes the header files. Please note that I also
>>>>>> had
>>>>>> to add other headers in few places due to the dependency. Are you OK
>>>>>> with this ?
>>>>>
>>>>>
>>>>> Here is alternate patch where we keep struct value_range and enum
>>>>> value_range_type to tree-vrp.h. May be it is a better approach? Please
>>>>> let me know what is your preference.
>>>>>
>>>>
>>>> Ping?
>>>>
>>>> This patch places value_range_type and value_range in tree-vrp.h. May be
>>>> this is better?
>>>>
>>>> Alternate patch which keeps value_range_type and value_range in
>>>> tree-ssanames.h is in:
>>>> https://gcc.gnu.org/ml/gcc-patches/2016-07/msg01491.html
>>>>
>>>> I also added the necessary header files changed needed for ipa-vrp as
>>>> part
>>>> of this patch so that changes needed are clear.
>>>
>>>
>>> I think tree-vrp.h is a better place. Please don't export functions
>>> you don't need
>>> (the _1 helpers).
>
> I had unintentionally removed a static from a _1 helper. I think thats what
> caused the confusion. I also added constant modifiers to parameters mainly
> due to ipa-vrp passing second parameters to lattice operation as const.
>
>> Agreed.
>>
>> I have exported the following for now:
>> +extern void vrp_intersect_ranges (value_range *vr0, value_range *vr1);
>> +extern void vrp_meet (value_range *vr0, const value_range *vr1);
>> +extern void dump_value_range (FILE *, const value_range *);
>
>
> This again is the exported operations.
>
>> It might be useful to add vrp_unary_op, vrp_binary_op on value_range.
>> But that is for later if that is needed.
>>
>>>
>>> I still believe sharing vrp_initialize/finalize is wrong and the
>>> lattice setup / teardown
>>> should be split out.
>>
>>
>> I have done that too as part of the early-vrp patch in:
>>
>> https://gcc.gnu.org/ml/gcc-patches/2016-08/msg01155.html
>>
>> I just wanted to focus on the functionality required for the IPA-VRP on
>> this patch.
>
>
>
> Attaching the latest version of the patch. Is this OK?
Yes.
Thanks,
Richard.
> Thanks,
> Kugan
next prev parent reply other threads:[~2016-08-17 13:46 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-15 4:41 [RFC][IPA-VRP] IPA VRP Implementation kugan
2016-07-15 4:42 ` [RFC][IPA-VRP] Disable setting param of __builtin_constant_p to null kugan
2016-07-15 8:43 ` Jan Hubicka
2016-07-25 6:59 ` kugan
2016-07-25 10:02 ` Richard Biener
2016-07-15 4:43 ` [RFC][IPA-VRP] Check for POINTER_TYPE_P before accessing SSA_NAME_PTR_INFO in tree-inline kugan
2016-07-15 4:47 ` Andrew Pinski
2016-07-15 7:03 ` Jakub Jelinek
2016-07-15 7:03 ` kugan
2016-07-15 7:32 ` Richard Biener
2016-07-15 4:44 ` [RFC][IPA-VRP] Re-factor tree-vrp to factor out common code kugan
2016-07-15 4:47 ` [RFC][IPA-VRP] Add support for IPA VRP in ipa-cp/ipa-prop kugan
2016-07-15 12:23 ` Martin Jambor
2016-07-19 8:22 ` kugan
2016-07-19 21:27 ` kugan
2016-07-21 12:54 ` Jan Hubicka
2016-08-30 5:21 ` Kugan Vivekanandarajah
2016-08-30 18:12 ` Prathamesh Kulkarni
2016-08-30 21:10 ` kugan
2016-09-02 12:31 ` Jan Hubicka
2016-07-17 13:24 ` Prathamesh Kulkarni
2016-07-22 12:27 ` [RFC][IPA-VRP] Re-factor tree-vrp to factor out common code kugan
2016-07-22 12:49 ` Richard Biener
2016-07-22 14:34 ` kugan
2016-07-23 10:12 ` kugan
2016-08-16 8:09 ` kugan
2016-08-16 11:56 ` Richard Biener
2016-08-16 22:20 ` kugan
2016-08-17 2:50 ` kugan
2016-08-17 13:46 ` Richard Biener [this message]
2016-07-15 4:45 ` [RFC][IPA-VRP] Early VRP Implementation kugan
2016-07-15 4:52 ` Andrew Pinski
2016-07-15 7:08 ` kugan
2016-07-15 7:28 ` Andrew Pinski
2016-07-15 7:33 ` kugan
2016-07-18 11:51 ` Richard Biener
2016-07-22 12:10 ` kugan
2016-07-25 11:18 ` Richard Biener
2016-07-26 12:27 ` kugan
2016-07-26 13:37 ` Richard Biener
2016-07-28 7:36 ` kugan
2016-07-28 11:34 ` Richard Biener
2016-08-03 1:17 ` kugan
2016-08-12 10:43 ` Richard Biener
2016-08-16 7:39 ` [RFC][IPA-VRP] splits out the update_value_range calls from vrp_visit_stmt kugan
2016-08-16 10:58 ` Richard Biener
2016-08-17 2:27 ` kugan
2016-08-17 13:44 ` Richard Biener
2016-08-16 7:45 ` [RFC][IPA-VRP] Early VRP Implementation kugan
2016-08-19 11:41 ` Richard Biener
2016-08-23 2:12 ` Kugan Vivekanandarajah
2016-09-02 8:11 ` Kugan Vivekanandarajah
2016-09-14 12:11 ` Richard Biener
2016-09-14 21:47 ` Jan Hubicka
2016-09-15 7:23 ` Richard Biener
2016-09-15 14:57 ` Jeff Law
2016-09-16 8:59 ` Richard Biener
2016-09-16 6:37 ` kugan
2016-09-16 10:26 ` Richard Biener
2016-09-18 23:40 ` kugan
2016-09-19 13:30 ` Richard Biener
2016-09-20 5:48 ` kugan
2016-07-19 16:19 ` Jeff Law
2016-07-19 18:35 ` Richard Biener
2016-07-19 20:14 ` Jeff Law
2016-07-15 4:47 ` [RFC][IPA-VRP] Teach tree-vrp to use the VR set in params kugan
2016-07-18 11:33 ` Richard Biener
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