/// This updates all of the same analyses as the other SplitCriticalEdge
/// function.
inline bool SplitCriticalEdge(BasicBlock *Succ, pred_iterator PI, Pass *P = 0) {
- BasicBlock *Pred = *PI;
bool MadeChange = false;
- for (succ_iterator SI = succ_begin(Pred), E = succ_end(Pred); SI != E; ++SI)
- if (*SI == Succ)
- MadeChange |= SplitCriticalEdge(Pred, SI, P);
+ TerminatorInst *TI = (*PI)->getTerminator();
+ for (unsigned i = 0, e = TI->getNumSuccessors(); i != e; ++i)
+ if (TI->getSuccessor(i) == Succ)
+ MadeChange |= SplitCriticalEdge(TI, i, P);
return MadeChange;
}
inline bool SplitCriticalEdge(BasicBlock *Src, BasicBlock *Dst, Pass *P = 0) {
- for (succ_iterator SI = succ_begin(Src); ; ++SI) {
- assert(SI != succ_end(Src) && "Edge doesn't exist");
- if (*SI == Dst)
- return SplitCriticalEdge(Src, SI, P);
- }
+ TerminatorInst *TI = Src->getTerminator();
+ for (unsigned i = 0, e = TI->getNumSuccessors(); ; ++i)
+ if (TI->getSuccessor(i) == Dst)
+ return SplitCriticalEdge(TI, i, P);
}
} // End llvm namespace