void ModuleLinker::linkAliasBodies() {
for (Module::alias_iterator I = SrcM->alias_begin(), E = SrcM->alias_end();
I != E; ++I) {
if (DoNotLinkFromSource.count(I))
continue;
if (Constant *Aliasee = I->getAliasee()) {
GlobalAlias *DA = cast<GlobalAlias>(ValueMap[I]);
DA->setAliasee(MapValue(Aliasee, ValueMap, RF_None, &TypeMap));
}
}
}
//
// Method: runOnModule()
//
// Description:
// Entry point for this LLVM pass.
// Replace all internal aliases with the
// aliasee value
//
// Inputs:
// M - A reference to the LLVM module to transform
//
// Outputs:
// M - The transformed LLVM module.
//
// Return value:
// true - The module was modified.
// false - The module was not modified.
//
bool FuncSimplify::runOnModule(Module& M) {
std::vector<GlobalAlias*> toDelete;
for (Module::alias_iterator I = M.alias_begin(); I != M.alias_end(); ++I) {
if(!I->hasInternalLinkage())
continue;
I->replaceAllUsesWith(I->getAliasee());
toDelete.push_back(I);
}
numChanged += toDelete.size();
while(!toDelete.empty()) {
GlobalAlias *I = toDelete.back();
toDelete.pop_back();
I->eraseFromParent();
}
return true;
}