592   changeIterationSpaceEnd(const LoopStructure &LS, BasicBlock *Preheader,
772   BasicBlock *Preheader = L.getLoopPreheader();  in parseLoopStructure()  local
773   if (!Preheader) {  in parseLoopStructure()
1022   const DataLayout &DL = Preheader->getModule()->getDataLayout();  in parseLoopStructure()
1024   Instruction *Ins = Preheader->getTerminator();  in parseLoopStructure()
1193     const LoopStructure &LS, BasicBlock *Preheader, Value *ExitSubloopAt,  in changeIterationSpaceEnd()  argument
1274   BranchInst *PreheaderJump = cast<BranchInst>(Preheader->getTerminator());  in changeIterationSpaceEnd()
1329     NewPHI->addIncoming(PN.getIncomingValueForBlock(Preheader), Preheader);  in changeIterationSpaceEnd()
1337   RRI.IndVarEnd->addIncoming(IndVarStart, Preheader);  in changeIterationSpaceEnd()
1361   BasicBlock *Preheader = BasicBlock::Create(Ctx, Tag, &F, LS.Header);  in createPreheader()  local
1362   BranchInst::Create(LS.Header, Preheader);  in createPreheader()
1364   LS.Header->replacePhiUsesWith(OldPreheader, Preheader);  in createPreheader()
1366   return Preheader;  in createPreheader()
1401   BasicBlock *Preheader = nullptr;  in run()  local
1403   Preheader = OriginalLoop.getLoopPreheader();  in run()
1404   assert(!isa<SCEVCouldNotCompute>(LatchTakenCount) && Preheader != nullptr &&  in run()
1407   OriginalPreheader = Preheader;  in run()
1408   MainLoopPreheader = Preheader;  in run()
1503     Preheader->getTerminator()->replaceUsesOfWith(MainLoopStructure.Header,  in run()
1507         createPreheader(MainLoopStructure, Preheader, "mainloop");  in run()
1508     PreLoopRRI = changeIterationSpaceEnd(PreLoop.Structure, Preheader,  in run()
1519         createPreheader(PostLoop.Structure, Preheader, "postloop");  in run()
1527       MainLoopPreheader != Preheader ? MainLoopPreheader : nullptr;  in run()
1892   BasicBlock *Preheader = L->getLoopPreheader();  in run()  local
1893   if (!Preheader) {  in run()
1898   LLVMContext &Context = Preheader->getContext();  in run()
1937   Instruction *ExprInsertPt = Preheader->getTerminator();  in run()