GVRefMap = 0;
}
}
-
-void Module::mutateConstantPointerRef(GlobalValue *OldGV, GlobalValue *NewGV) {
- assert(OldGV != NewGV && "Cannot mutate to the same global!");
- GlobalValueRefMap::iterator I = GVRefMap->Map.find(OldGV);
- assert(I != GVRefMap->Map.end() &&
- "mutateConstantPointerRef; OldGV not in table!");
- ConstantPointerRef *Ref = I->second;
-
- // Remove the old entry...
- GVRefMap->Map.erase(I);
-
- // Check to see if a CPR already exists for NewGV
- I = GVRefMap->Map.lower_bound(NewGV);
-
- if (I == GVRefMap->Map.end() || I->first != NewGV) {
- // Insert the new entry...
- GVRefMap->Map.insert(I, std::make_pair(NewGV, Ref));
- } else {
- // Otherwise, an entry already exists for the current global value.
- // Completely replace the old CPR with the existing one...
- Ref->replaceAllUsesWith(I->second);
- delete Ref;
- }
-}
-