2338 bool GVN::performScalarPRE(Instruction *CurInst) {  in performScalarPRE()  argument
2339   if (isa<AllocaInst>(CurInst) || isa<TerminatorInst>(CurInst) ||  in performScalarPRE()
2340       isa<PHINode>(CurInst) || CurInst->getType()->isVoidTy() ||  in performScalarPRE()
2341       CurInst->mayReadFromMemory() || CurInst->mayHaveSideEffects() ||  in performScalarPRE()
2342       isa<DbgInfoIntrinsic>(CurInst))  in performScalarPRE()
2349   if (isa<CmpInst>(CurInst))  in performScalarPRE()
2353   if (CallInst *CallI = dyn_cast<CallInst>(CurInst))  in performScalarPRE()
2357   uint32_t ValNo = VN.lookup(CurInst);  in performScalarPRE()
2368   BasicBlock *CurrentBlock = CurInst->getParent();  in performScalarPRE()
2388     } else if (predV == CurInst) {  in performScalarPRE()
2422     PREInstr = CurInst->clone();  in performScalarPRE()
2439       PHINode::Create(CurInst->getType(), predMap.size(),  in performScalarPRE()
2440                       CurInst->getName() + ".pre-phi", &CurrentBlock->front());  in performScalarPRE()
2450   Phi->setDebugLoc(CurInst->getDebugLoc());  in performScalarPRE()
2451   CurInst->replaceAllUsesWith(Phi);  in performScalarPRE()
2454   VN.erase(CurInst);  in performScalarPRE()
2455   removeFromLeaderTable(ValNo, CurInst, CurrentBlock);  in performScalarPRE()
2457   DEBUG(dbgs() << "GVN PRE removed: " << *CurInst << '\n');  in performScalarPRE()
2459     MD->removeInstruction(CurInst);  in performScalarPRE()
2460   DEBUG(verifyRemoved(CurInst));  in performScalarPRE()
2461   CurInst->eraseFromParent();  in performScalarPRE()
2483       Instruction *CurInst = &*BI++;  in performPRE()  local
2484       Changed |= performScalarPRE(CurInst);  in performPRE()