return AliasAnalysis::Location();
}
+/// \returns True if the instruction is not a volatile or atomic load/store.
+static bool isSimple(Instruction *I) {
+ if (LoadInst *LI = dyn_cast<LoadInst>(I))
+ return LI->isSimple();
+ if (StoreInst *SI = dyn_cast<StoreInst>(I))
+ return SI->isSimple();
+ if (MemIntrinsic *MI = dyn_cast<MemIntrinsic>(I))
+ return !MI->isVolatile();
+ return true;
+}
+
/// Bottom Up SLP Vectorizer.
class BoUpSLP {
public:
}
AliasAnalysis::Location Loc2 = getLocation(Inst2, AA);
bool aliased = true;
- if (Loc1.Ptr && Loc2.Ptr) {
+ if (Loc1.Ptr && Loc2.Ptr && isSimple(Inst1) && isSimple(Inst2)) {
// Do the alias check.
aliased = AA->alias(Loc1, Loc2);
}