陳韋任 via llvm-dev
2017-Oct-22 06:45 UTC
[llvm-dev] How to dump broken IR from LLVM backend?
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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20171022/6a2f4eb9/attachment.html>
Dipanjan Das via llvm-dev
2017-Oct-22 06:53 UTC
[llvm-dev] How to dump broken IR from LLVM backend?
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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20171021/ec1e47f6/attachment.html>
Siddharth Bhat via llvm-dev
2017-Oct-22 07:50 UTC
[llvm-dev] How to dump broken IR from LLVM backend?
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! -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20171022/16c5e901/attachment-0001.html>