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...adableModules; for (std::vector<std::string>::iterator I = plugins.begin(), E = plugins.end(); I != E; ++I) { sys::DynamicLibrary dll(I->c_str()); typedef void (*OptimizeFunc)(PassManager&,int); OptimizeFunc OF = OptimizeFunc( (intptr_t)dll.GetAddressOfSymbol("RunOptimizations")); if (OF == 0) { throw std::string("Optimization Module '") + *I + "' is missing the RunOptimizations symbol"; } (*OF)(Passes,OptLevel); } The RunOptimizations-symbol is only mentioned briefly in the manual of llvm-ld: -load mo...

...:vector<std::string>::iterator I = plugins.begin(), E = > plugins.end(); I != E; ++I) { > sys::DynamicLibrary dll(I->c_str()); > typedef void (*OptimizeFunc)(PassManager&,int); > OptimizeFunc OF = OptimizeFunc( > (intptr_t)dll.GetAddressOfSymbol("RunOptimizations")); > if (OF == 0) { > throw std::string("Optimization Module '") + *I + > "' is missing the RunOptimizations symbol"; > } > (*OF)(Passes,OptLevel); > } > > The RunOptimizations-symbol is only mentioned brie...

...n is used to specify a library to be linked with, not for > dependent symbols your loadable module requires. The loaded module > must > be fully linked with all libraries it depends on. So, no, your usage > isn't correct here. OK. > >> * What's the meaning of RunOptimizations? This name is only >> mentioned in the code snippet above and in the llvm-ld docs, >> but nowhere else. Both opt1.so and opt2.so do show up using >> opt, so it seems there is some incompatibility between opt >> and >> llvm-ld....

Hi, Reid Spencer wrote: >> That's interesting! So, one only needs to add a 2-arg function called >> RunOptimizations to the module (can't check it right now)? >> > > That is correct. That function and only that function will be called. > What happens in that function is up to you :) > So, I tried this the last two days, but to no avail. I first wrote the following three file...

...some canned optimizations. llvm-link works exclusively with bytecode. Once you have a final bytecode file you can: llc -o file.s file.bc # generate native assembly gcc -S file.s -o file.o gcc file.o -lwhatever > That's interesting! So, one only needs to add a 2-arg function called > RunOptimizations to the module (can't check it right now)? That is correct. That function and only that function will be called. What happens in that function is up to you :) Reid.

...anup passes after the loaded plugins run to ensure cruft is removed. See this patch for details: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20060814/036882.html Thanks for the patch! And, yes, you are on the bleeding edge of llvm-ld usage. I don't think anyone else was using RunOptimizations. You're the first to comment on it. Reid. On Fri, 2006-08-18 at 17:49 +0200, Bram Adams wrote: > Hi, > > Reid Spencer wrote: > > > That's interesting! So, one only needs to add a 2-arg function called > > > RunOptimizations to the module (can't c...