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Revert "temporary commit." 

This reverts commit r205635 that was submitted by mistake.

llvm-svn: 205637
This commit is contained in:
Rui Ueyama 2014-04-04 18:06:56 +00:00
parent 2e3881c0f5
commit fbd6c44e6a
1 changed files with 34 additions and 28 deletions
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62
lld/lib/Core/SymbolTable.cpp
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@ -262,37 +262,43 @@ void SymbolTable::addByName(const Atom &newAtom) {
break;
}
case NCR_DupShLib: {
const SharedLibraryAtom *curShLib = dyn_cast<SharedLibraryAtom>(existing);
const SharedLibraryAtom *newShLib = dyn_cast<SharedLibraryAtom>(&newAtom);
assert(curShLib != nullptr);
assert(newShLib != nullptr);
bool sameNullness =
(curShLib->canBeNullAtRuntime() == newShLib->canBeNullAtRuntime());
bool sameName = curShLib->loadName().equals(newShLib->loadName());
if (!sameName) {
useNew = false;
if (_context.warnIfCoalesableAtomsHaveDifferentLoadName()) {
// FIXME: need diagonstics interface for writing warning messages
llvm::errs() << "lld warning: shared library symbol "
<< curShLib->name() << " has different load path in "
<< curShLib->file().path() << " and in "
<< newShLib->file().path();
const SharedLibraryAtom* curShLib =
dyn_cast<SharedLibraryAtom>(existing);
const SharedLibraryAtom* newShLib =
dyn_cast<SharedLibraryAtom>(&newAtom);
assert(curShLib != nullptr);
assert(newShLib != nullptr);
bool sameNullness = (curShLib->canBeNullAtRuntime()
== newShLib->canBeNullAtRuntime());
bool sameName = curShLib->loadName().equals(newShLib->loadName());
if (!sameName) {
useNew = false;
if (_context.warnIfCoalesableAtomsHaveDifferentLoadName()) {
// FIXME: need diagonstics interface for writing warning messages
llvm::errs() << "lld warning: shared library symbol "
<< curShLib->name()
<< " has different load path in "
<< curShLib->file().path()
<< " and in "
<< newShLib->file().path();
}
} else if (!sameNullness) {
useNew = false;
if (_context.warnIfCoalesableAtomsHaveDifferentCanBeNull()) {
// FIXME: need diagonstics interface for writing warning messages
llvm::errs() << "lld warning: shared library symbol "
<< curShLib->name()
<< " has different weakness in "
<< curShLib->file().path()
<< " and in "
<< newShLib->file().path();
}
} else {
// Both shlib atoms are identical and can be coalesced.
useNew = false;
}
} else if (!sameNullness) {
useNew = false;
if (_context.warnIfCoalesableAtomsHaveDifferentCanBeNull()) {
// FIXME: need diagonstics interface for writing warning messages
llvm::errs() << "lld warning: shared library symbol "
<< curShLib->name() << " has different weakness in "
<< curShLib->file().path() << " and in "
<< newShLib->file().path();
}
} else {
// Both shlib atoms are identical and can be coalesced.
useNew = false;
}
break;
}
case NCR_Error:
llvm::errs() << "SymbolTable: error while merging " << name << "\n";
llvm::report_fatal_error("duplicate symbol error");