[llvm-dev] writing a pass, questions

陳韋任 via llvm-dev llvm-dev at lists.llvm.org
Tue Apr 11 03:29:10 PDT 2017

> and here's what I see
> Error opening 'LLVMZap.so': /home/briggs/llvm-cilk/new_install/bin/../lib/LLVMZap.so:
> undefined symbol: _ZNK4llvm12FunctionPass17createPrinterPassERNS_11raw_
> ostreamERKNSt3__112basic_stringIcNS3_11char_traitsIcEENS3_9allocatorIcEEEE
>   -load request ignored.
> The error message is quite similar to what I see when I'm experimenting
> with my old pass.

​Do you build `opt` and your .so with the same LLVM source?


Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj
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