[llvm-dev] How to dump broken IR from LLVM backend?

[Dipanjan Das via llvm-dev]

Neither '-disable-verify' nor '-mllvm -disable-verify' seem to work with
LLVM/Clang 3.8.0

On 22 October 2017 at 00:50, Siddharth Bhat <siddu.druid at gmail.com> wrote:

> You can also `-disable-verify -o <output-filename> ` which will disable
> the verify check.
>
> On Sat, 21 Oct 2017 at 23:54 Dipanjan Das via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>
>>
>> Yes, that definitely works. Wanted to know if there's a switch for file
>> output or not.
>>
>> On 21 October 2017 at 23:45, 陳韋任 <chenwj.cs97g at g2.nctu.edu.tw> wrote:
>>
>>> Just use Unix IO redirect? `llc -mllvm -print-after-all &> a.txt`
>>>
>>> 2017-10-22 14:17 GMT+08:00 Dipanjan Das via llvm-dev <
>>> llvm-dev at lists.llvm.org>:
>>>
>>>>
>>>> Seems like "-mllvm -print-after-all" does the trick. Is there any
>>>> switch that dumps the output to a file instead of console?
>>>>
>>>> On 21 October 2017 at 21:33, Dipanjan Das <mail.dipanjan.das at gmail.com>
>>>> wrote:
>>>>
>>>>>
>>>>> My pass complains and gives up after spitting out:
>>>>>
>>>>> ======================================
>>>>> Instruction does not dominate all uses!
>>>>>   %44 = icmp ne i8** %endptr, null
>>>>>   br i1 %44, label %32, label %33
>>>>> Instruction has bogus parent pointer!
>>>>> ======================================
>>>>>
>>>>> Is there any way to dump the entire IR even in broken form from the
>>>>> backend so that I can inspect what's going on?
>>>>>
>>>>> --
>>>>>
>>>>> Thanks & Regards,
>>>>> Dipanjan
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> Thanks & Regards,
>>>> Dipanjan
>>>>
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> llvm-dev at lists.llvm.org
>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>>
>>>>
>>>
>>>
>>> --
>>> Wei-Ren Chen (陳韋任)
>>> Homepage: https://people.cs.nctu.edu.tw/~chenwj
>>>
>>
>>
>>
>> --
>>
>> Thanks & Regards,
>> Dipanjan
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>
> --
> Sending this from my phone, please excuse any typos!
>



-- 

Thanks & Regards,
Dipanjan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20171022/4459c2d3/attachment.html>