115   PHINode *getPHIOperand(BasicBlock *BB, StoreInst *S0, StoreInst *S1);
118   bool canSinkStoresAndGEPs(StoreInst *S0, StoreInst *S1) const;
211 PHINode *MergedLoadStoreMotion::getPHIOperand(BasicBlock *BB, StoreInst *S0,  in getPHIOperand()  argument
214   Value *Opd1 = S0->getValueOperand();  in getPHIOperand()
221   NewPN->applyMergedLocation(S0->getDebugLoc(), S1->getDebugLoc());  in getPHIOperand()
222   NewPN->addIncoming(Opd1, S0->getParent());  in getPHIOperand()
230 bool MergedLoadStoreMotion::canSinkStoresAndGEPs(StoreInst *S0,  in canSinkStoresAndGEPs()  argument
232   if (S0->getPointerOperand() == S1->getPointerOperand())  in canSinkStoresAndGEPs()
234   auto *GEP0 = dyn_cast<GetElementPtrInst>(S0->getPointerOperand());  in canSinkStoresAndGEPs()
237          (GEP0->getParent() == S0->getParent()) && GEP1->hasOneUse() &&  in canSinkStoresAndGEPs()
246 void MergedLoadStoreMotion::sinkStoresAndGEPs(BasicBlock *BB, StoreInst *S0,  in sinkStoresAndGEPs()  argument
248   Value *Ptr0 = S0->getPointerOperand();  in sinkStoresAndGEPs()
252              dbgs() << "Instruction Left\n"; S0->dump(); dbgs() << "\n";  in sinkStoresAndGEPs()
257   S0->andIRFlags(S1);  in sinkStoresAndGEPs()
258   S0->dropUnknownNonDebugMetadata();  in sinkStoresAndGEPs()
259   S0->applyMergedLocation(S0->getDebugLoc(), S1->getDebugLoc());  in sinkStoresAndGEPs()
260   S0->mergeDIAssignID(S1);  in sinkStoresAndGEPs()
264   IRBuilder<> Builder(S0);  in sinkStoresAndGEPs()
265   auto Cast = Builder.CreateBitOrPointerCast(S0->getValueOperand(),  in sinkStoresAndGEPs()
267   S0->setOperand(0, Cast);  in sinkStoresAndGEPs()
270   StoreInst *SNew = cast<StoreInst>(S0->clone());  in sinkStoresAndGEPs()
273   if (PHINode *NewPN = getPHIOperand(BB, S0, S1))  in sinkStoresAndGEPs()
275   S0->eraseFromParent();  in sinkStoresAndGEPs()
329     auto *S0 = dyn_cast<StoreInst>(I);  in mergeStores()  local
330     if (!S0 || !S0->isSimple())  in mergeStores()
336     if (StoreInst *S1 = canSinkFromBlock(Pred1, S0)) {  in mergeStores()
337       if (!canSinkStoresAndGEPs(S0, S1))  in mergeStores()
353       sinkStoresAndGEPs(SinkBB, S0, S1);  in mergeStores()