C++ (Cpp) iterator::hasAppendingLinkage Examples

Example #1

File: DeadStoreElimination.cpp Project: matheusvilela/llvm-dse

/* Change linkages of global values, in order to
 * improve alias analysis.
 */
bool DeadStoreEliminationPass::changeLinkageTypes(Module &M) {
  DEBUG(errs() << "Changing linkages to private...\n");
  for (Module::global_iterator git = M.global_begin(), gitE = M.global_end();
        git != gitE; ++git) {
    DEBUG(errs() << "  " << *git << "\n");
    if (!git->hasExternalLinkage() && !git->hasAppendingLinkage()) git->setLinkage(GlobalValue::PrivateLinkage);
  }
  for (Module::iterator F = M.begin(), E = M.end(); F != E; ++F) {
    if (!F->isDeclaration()) {
     if (!F->hasExternalLinkage() && !F->hasAppendingLinkage()) F->setLinkage(GlobalValue::PrivateLinkage);
      DEBUG(errs() << "  " << F->getName() << "\n");
    }
  }
  DEBUG(errs() << "\n");
  return true;
}