static void RemoveDeadConstant(Constant *C) {
assert(C->use_empty() && "Constant is not dead!");
SmallPtrSet<Constant*, 4> Operands;
- for (unsigned i = 0, e = C->getNumOperands(); i != e; ++i)
- if (OnlyUsedBy(C->getOperand(i), C))
- Operands.insert(cast<Constant>(C->getOperand(i)));
+ for (Value *Op : C->operands())
+ if (OnlyUsedBy(Op, C))
+ Operands.insert(cast<Constant>(Op));
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) {
if (!GV->hasLocalLinkage()) return; // Don't delete non-static globals.
GV->eraseFromParent();