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

[fateme Hoseini via llvm-dev]

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
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