// At this point, the blocks left in the preds list must have dummy
// entries inserted into every PHI nodes for the block.
// At this point, the blocks left in the preds list must have dummy
// entries inserted into every PHI nodes for the block.
- for (unsigned i = 0, e = PNs.size(); i != e; ++i) {
- PHINode *PN = PNs[i];
- Value *NullVal = Constant::getNullValue(PN->getType());
- for (unsigned pred = 0, e = Preds.size(); pred != e; ++pred)
- PN->addIncoming(NullVal, Preds[pred]);
- }
+ for (unsigned i = 0, e = PNs.size(); i != e; ++i)
+ if (PHINode *PN = PNs[i]) {
+ Value *NullVal = Constant::getNullValue(PN->getType());
+ for (unsigned pred = 0, e = Preds.size(); pred != e; ++pred)
+ PN->addIncoming(NullVal, Preds[pred]);
+ }