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Properly populate lists of defined/undefined symbols in presence of aliases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47900 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -56,6 +56,7 @@ GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
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DefinedSymbols.insert(I->getName());
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}
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}
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for (Module::global_iterator I = M->global_begin(), E = M->global_end();
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I != E; ++I)
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if (I->hasName()) {
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@ -68,6 +69,16 @@ GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
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}
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}
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for (Module::alias_iterator I = M->alias_begin(), E = M->alias_end();
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I != E; ++I)
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if (I->hasName()) {
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const GlobalValue *Aliased = I->getAliasedGlobal();
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if (Aliased->isDeclaration())
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UndefinedSymbols.insert(I->getName());
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else
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DefinedSymbols.insert(I->getName());
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}
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// Prune out any defined symbols from the undefined symbols set...
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for (std::set<std::string>::iterator I = UndefinedSymbols.begin();
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I != UndefinedSymbols.end(); )
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@ -88,7 +99,6 @@ GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
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/// FALSE - No errors.
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bool
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Linker::LinkInArchive(const sys::Path &Filename, bool &is_native) {
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// Make sure this is an archive file we're dealing with
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if (!Filename.isArchive())
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return error("File '" + Filename.toString() + "' is not an archive.");
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