// Fix up the CFG, temporarily leave Head without any successors.
Head->removeSuccessor(TBB);
- Head->removeSuccessor(FBB);
+ Head->removeSuccessor(FBB, true);
if (TBB != Tail)
- TBB->removeSuccessor(Tail);
+ TBB->removeSuccessor(Tail, true);
if (FBB != Tail)
- FBB->removeSuccessor(Tail);
+ FBB->removeSuccessor(Tail, true);
// Fix up Head's terminators.
// It should become a single branch or a fallthrough.