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Do not put internal symbols into the symbol table. This shrinks the symbol

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table for archives in common cases, and prevents trying to resolve a
external reference with an internal reference.  This shrinks the libpython.a
symbol table from 126302 to 19770 bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20151 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-02-13 17:42:11 +00:00
parent 004e19e38d
commit e5cea5eb89
1 changed files with 10 additions and 20 deletions
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30
lib/Bytecode/Reader/ReaderWrappers.cpp
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@ -328,28 +328,18 @@ bool llvm::GetBytecodeDependentLibraries(const std::string &fname,
} }
} }
namespace { static void getSymbols(Module*M, std::vector<std::string>& symbols) {
void getSymbols(Module*M, std::vector<std::string>& symbols) {
// Loop over global variables // Loop over global variables
for (Module::giterator GI = M->gbegin(), GE=M->gend(); GI != GE; ++GI) { for (Module::giterator GI = M->gbegin(), GE=M->gend(); GI != GE; ++GI)
if (GI->hasInitializer()) { if (GI->hasInitializer() && !GI->hasInternalLinkage())
std::string name ( GI->getName() ); if (!GI->getName().empty())
if (!name.empty()) { symbols.push_back(GI->getName());
symbols.push_back(name);
}
}
}
//Loop over functions // Loop over functions.
for (Module::iterator FI = M->begin(), FE=M->end(); FI != FE; ++FI) { for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI)
if (!FI->isExternal()) { if (!FI->isExternal() && !FI->hasInternalLinkage())
std::string name ( FI->getName() ); if (!FI->getName().empty())
if (!name.empty()) { symbols.push_back(FI->getName());
symbols.push_back(name);
}
}
}
}
} }
// Get just the externally visible defined symbols from the bytecode // Get just the externally visible defined symbols from the bytecode