[llvm-dev] GSoC19: Debug Info should have no effect on codegen

[Eric Christopher via llvm-dev]

Thanks Greg, that's awesome :)

-eric

On Tue, Mar 5, 2019 at 10:19 AM Greg Bedwell via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
>
> We've got a meta-bug for these sorts of issues here: https://bugs.llvm.org/show_bug.cgi?id=37728
> You might also be interested in this presentation from a few years back: https://llvm.org/devmtg/2015-04/slides/Verifying_code_gen_dash_g_final.pdf
>
> I've just set off a test case reduction of a case I ran into on one of our internal test suites using the check_cfc tool so hopefully I can upload it as an example bug, attached to the metabug above once that's complete.
>
> On Tue, 5 Mar 2019 at 15:54, Mohamed Ali via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>>
>> Dear all,
>>
>> My name is Mohamed and I am a first year computer science masters student. I am writing this email because I am interested in the project idea "Debug Info Should have no effect on codegen". So far I have built llvm and clang and I was trying to reproduce the problem on simple c++ programs but I can't. Being specific this are the steps I am doing:
>>
>>> $ clang -g test.cc
>>> $ llvm-objdump -d a.out > with_debug
>>> $ clang  test.cc
>>> $ llvm-objdump -d a.out > no_debug
>>> $ vimdiff with_debug no_debug
>>
>>
>> I still can't reproduce the problem. In the expected results of the project you mentioned that there are already failing test cases. Can you please point me in to these cases?
>> Finally, I would like to ask whether there is some qualification task I should do or I have to fix some of the open tickets? Would you please point me to such tasks or suggest some tickets/bugs that I can start working on?
>>
>> Regards,
>> Mohamed
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>
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