if (I == CMap.end()) { // Nope, add it to the map
CMap.insert(I, std::make_pair(Init, GV));
- } else { // Yup, this is a duplicate!
+ } else if (GV->hasInternalLinkage()) { // Yup, this is a duplicate!
// Make all uses of the duplicate constant use the canonical version...
GV->replaceAllUsesWith(I->second);
-
+
// Delete the global value from the module... and back up iterator to
// not skip the next global...
GV = --M.getGlobalList().erase(GV);
+ ++NumMerged;
+ MadeChanges = true;
+ } else if (I->second->hasInternalLinkage()) {
+ // Make all uses of the duplicate constant use the canonical version...
+ I->second->replaceAllUsesWith(GV);
+
+ // Delete the global value from the module... and back up iterator to
+ // not skip the next global...
+ M.getGlobalList().erase(I->second);
+ I->second = GV;
+
++NumMerged;
MadeChanges = true;
}