STATISTIC(NumPhiInserted, "Number of phi functions inserted");
void SSI::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<DominanceFrontier>();
- AU.addRequired<DominatorTree>();
- AU.setPreservesCFG();
+ AU.addRequiredTransitive<DominanceFrontier>();
+ AU.addRequiredTransitive<DominatorTree>();
+ AU.setPreservesAll();
}
bool SSI::runOnFunction(Function &F) {