}
void ScalarEvolution::forgetMemoizedResults(ArrayRef<const SCEV *> SCEVs) {
- for (auto *S : SCEVs)
- forgetMemoizedResultsImpl(S);
SmallPtrSet<const SCEV *, 8> ToForget(SCEVs.begin(), SCEVs.end());
+ SmallVector<const SCEV *, 8> Worklist(ToForget.begin(), ToForget.end());
+
+ while (!Worklist.empty()) {
+ const SCEV *Curr = Worklist.pop_back_val();
+ auto Users = SCEVUsers.find(Curr);
+ if (Users != SCEVUsers.end())
+ for (auto *User : Users->second)
+ if (ToForget.insert(User).second)
+ Worklist.push_back(User);
+ }
+
+ for (auto *S : ToForget)
+ forgetMemoizedResultsImpl(S);
+
for (auto I = PredicatedSCEVRewrites.begin();
I != PredicatedSCEVRewrites.end();) {
std::pair<const SCEV *, const Loop *> Entry = I->first;