[llvm-dev] problem with Value->dump()

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Sat Jan 18 08:51:03 PST 2020

dump functions are only available if LLVM was built with !NDEBUG or with
LLVM_ENABLE_DUMP (so usually a debug build, maybe an Asserts build, not
generally in release builds) - so you might need to find opt built with
this option or build it yourself with this option

On Sat, Jan 18, 2020 at 7:41 AM Abid Malik via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello,
> I am building a pass. The pass compiled well. But when I test it, I get a
> linking error.
> Here, what I am doing:
> clang -g3 -shared -fno-rtti -fPIC -o mypass.so mypass.cpp //mypass has Value->dump();
> opt -load mypass.so -myppass test.ll
> I get:
> opt: symbol lookup error: mypass.so: undefined symbol: _ZNK4llvm5Value4dumpEv
> unable to link/find llvm/Value/dump
> --
> Abid M. Malik
> ******************************************************
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> intolerant, and kindness from the unkind"---Gibran
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> mathematics."----Abid
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