239                                               const Instruction *DeadI,  in isMaskedStoreOverwrite()  argument
242   const auto *DeadII = dyn_cast<IntrinsicInst>(DeadI);  in isMaskedStoreOverwrite()
273                                           Instruction *DeadI,  in isPartialOverwrite()  argument
287     auto &IM = IOL[DeadI];  in isPartialOverwrite()
475 static bool tryToShorten(Instruction *DeadI, int64_t &DeadStart,  in tryToShorten()  argument
478   auto *DeadIntrinsic = cast<AnyMemIntrinsic>(DeadI);  in tryToShorten()
529   if (auto *AMI = dyn_cast<AtomicMemIntrinsic>(DeadI)) {  in tryToShorten()
538                     << (IsOverwriteEnd ? "END" : "BEGIN") << ": " << *DeadI  in tryToShorten()
554       Dest = CastInst::CreatePointerCast(OrigDest, Int8PtrTy, "", DeadI);  in tryToShorten()
558         Type::getInt8Ty(DeadIntrinsic->getContext()), Dest, Indices, "", DeadI);  in tryToShorten()
562                                                "", DeadI);  in tryToShorten()
574 static bool tryToShortenEnd(Instruction *DeadI, OverlapIntervalsTy &IntervalMap,  in tryToShortenEnd()  argument
576   if (IntervalMap.empty() || !isShortenableAtTheEnd(DeadI))  in tryToShortenEnd()
592     if (tryToShorten(DeadI, DeadStart, DeadSize, KillingStart, KillingSize,  in tryToShortenEnd()
601 static bool tryToShortenBegin(Instruction *DeadI,  in tryToShortenBegin()  argument
604   if (IntervalMap.empty() || !isShortenableAtTheBeginning(DeadI))  in tryToShortenBegin()
621     if (tryToShorten(DeadI, DeadStart, DeadSize, KillingStart, KillingSize,  in tryToShortenBegin()
631 tryToMergePartialOverlappingStores(StoreInst *KillingI, StoreInst *DeadI,  in tryToMergePartialOverlappingStores()  argument
636   if (DeadI && isa<ConstantInt>(DeadI->getValueOperand()) &&  in tryToMergePartialOverlappingStores()
637       DL.typeSizeEqualsStoreSize(DeadI->getValueOperand()->getType()) &&  in tryToMergePartialOverlappingStores()
640       memoryIsNotModifiedBetween(DeadI, KillingI, AA, DL, DT)) {  in tryToMergePartialOverlappingStores()
651     APInt DeadValue = cast<ConstantInt>(DeadI->getValueOperand())->getValue();  in tryToMergePartialOverlappingStores()
668     LLVM_DEBUG(dbgs() << "DSE: Merge Stores:\n  Dead: " << *DeadI  in tryToMergePartialOverlappingStores()
671     return ConstantInt::get(DeadI->getValueOperand()->getType(), Merged);  in tryToMergePartialOverlappingStores()
835                               const Instruction *DeadI,  in isOverwrite()
842     if (!isGuaranteedLoopIndependent(DeadI, KillingI, DeadLoc))  in isOverwrite()
865       const auto *DeadMemI = dyn_cast<MemIntrinsic>(DeadI);  in isOverwrite()
875       return isMaskedStoreOverwrite(KillingI, DeadI, BatchAA);  in isOverwrite()
1638   bool mayThrowBetween(Instruction *KillingI, Instruction *DeadI,  in mayThrowBetween()
1646     if (KillingI->getParent() == DeadI->getParent())  in mayThrowBetween()
1656   bool isDSEBarrier(const Value *KillingUndObj, Instruction *DeadI) {  in isDSEBarrier()
1659     if (DeadI->mayThrow() && !isInvisibleToCallerOnUnwind(KillingUndObj))  in isDSEBarrier()
1664     if (DeadI->isAtomic()) {  in isDSEBarrier()
1665       if (auto *LI = dyn_cast<LoadInst>(DeadI))  in isDSEBarrier()
1667       if (auto *SI = dyn_cast<StoreInst>(DeadI))  in isDSEBarrier()
1669       if (auto *ARMW = dyn_cast<AtomicRMWInst>(DeadI))  in isDSEBarrier()
1671       if (auto *CmpXchg = dyn_cast<AtomicCmpXchgInst>(DeadI))  in isDSEBarrier()
1877       Instruction *DeadI = OI.first;  in removePartiallyOverlappedStores()  local
1878       MemoryLocation Loc = *getLocForWrite(DeadI);  in removePartiallyOverlappedStores()
1879       assert(isRemovable(DeadI) && "Expect only removable instruction");  in removePartiallyOverlappedStores()
1886       Changed |= tryToShortenEnd(DeadI, IntervalMap, DeadStart, DeadSize);  in removePartiallyOverlappedStores()
1889       Changed |= tryToShortenBegin(DeadI, IntervalMap, DeadStart, DeadSize);  in removePartiallyOverlappedStores()
2029       Instruction *DeadI = DeadDefAccess->getMemoryInst();  in eliminateDeadStores()  local
2030       LLVM_DEBUG(dbgs() << " (" << *DeadI << ")\n");  in eliminateDeadStores()
2037       MemoryLocation DeadLoc = *State.getLocForWrite(DeadI);  in eliminateDeadStores()
2043         LLVM_DEBUG(dbgs() << "DSE: Remove Dead Store:\n  DEAD: " << *DeadI  in eliminateDeadStores()
2045         State.deleteDeadInstruction(DeadI);  in eliminateDeadStores()
2053             KillingI, DeadI, KillingLoc, DeadLoc, KillingOffset, DeadOffset);  in eliminateDeadStores()
2057                   DeadI->getParent(), InstOverlapIntervalsTy()));  in eliminateDeadStores()
2060                                   DeadOffset, DeadI, IOL);  in eliminateDeadStores()
2064           auto *DeadSI = dyn_cast<StoreInst>(DeadI);  in eliminateDeadStores()
2092           LLVM_DEBUG(dbgs() << "DSE: Remove Dead Store:\n  DEAD: " << *DeadI  in eliminateDeadStores()
2094           State.deleteDeadInstruction(DeadI);  in eliminateDeadStores()