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Hi, I am trying to add alias analysis in llvm. I created a file ProfileAlias.cpp in llvm source at the place where Andersens.cpp is there. ProfileAlias.cpp does nothing at present just empty definitions of required functions. When I build llvm I get the following error: /home/ambika/llvm1/llvm-obj/Release/lib/libLLVMipa.a(ProfileAlias.o): In function `llvm::createProfileAliasPass()':

Hi! On 02.02.2010, at 20:16, ambika wrote: > /home/ambika/llvm1/llvm-obj/Release/lib/ > libLLVMipa.a(ProfileAlias.o): In > function `llvm::createProfileAliasPass()': > ProfileAlias.cpp:(.text+0x46): undefined reference to `vtable for > ProfileAlias' http://gcc.gnu.org/faq.html#vtables Does that help? Andi