[llvm-dev] Add Call instruction in IR for a non-existing function

fateme Hoseini via llvm-dev llvm-dev at lists.llvm.org
Thu Apr 7 07:10:29 PDT 2016

Thank you all.
I didn't get your point. Do you mean to change the bc file and them create
C++ out of it?

On Tue, Apr 5, 2016 at 4:48 PM, Kevin Hu <hxy9243 at gmail.com> wrote:

> Hi,
> I think it's called getOrInsertFunction() in module class, with reference
> from:
> http://llvm.org/releases/2.6/docs/tutorial/JITTutorial1.html
> Also, when you encounter questions for LLVM C++ APIs in the future, you
> can write desired output code and use llc to generate proper C++API code,
> which I think is a very neat feature of LLVM.
> e.g.
> clang -c -emit-llvm your_desired_output.c
> llc -march=cpp your_desired_output.bc
> Hope this helps.
> Regards,
> Kevin
> On Tue, Apr 5, 2016 at 3:28 PM fateme Hoseini via llvm-dev <
> llvm-dev at lists.llvm.org> wrote:
>> Hello everyone,
>> I am trying to add checkpoints to my IR code. In order to do that I need
>> to add this instruction:
>> call void @m5_checkpoint(i64 0, i64 0)
>> to some of the basic blocks in my benchmark.
>> m5_checkpoint is a function defined for checkpointing in another
>> simulator and is not included in my benchmark source code. So I need to
>> create this instruction and I couldn't figure out how to do this by reading
>> the manual. I will appreciate if anyone can help me .
>> Regards,
>> Fami
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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