594   changeIterationSpaceEnd(const LoopStructure &LS, BasicBlock *Preheader,
774   BasicBlock *Preheader = L.getLoopPreheader();  in parseLoopStructure()  local
775   if (!Preheader) {  in parseLoopStructure()
1024   const DataLayout &DL = Preheader->getModule()->getDataLayout();  in parseLoopStructure()
1026   Instruction *Ins = Preheader->getTerminator();  in parseLoopStructure()
1195     const LoopStructure &LS, BasicBlock *Preheader, Value *ExitSubloopAt,  in changeIterationSpaceEnd()  argument
1276   BranchInst *PreheaderJump = cast<BranchInst>(Preheader->getTerminator());  in changeIterationSpaceEnd()
1331     NewPHI->addIncoming(PN.getIncomingValueForBlock(Preheader), Preheader);  in changeIterationSpaceEnd()
1339   RRI.IndVarEnd->addIncoming(IndVarStart, Preheader);  in changeIterationSpaceEnd()
1363   BasicBlock *Preheader = BasicBlock::Create(Ctx, Tag, &F, LS.Header);  in createPreheader()  local
1364   BranchInst::Create(LS.Header, Preheader);  in createPreheader()
1366   LS.Header->replacePhiUsesWith(OldPreheader, Preheader);  in createPreheader()
1368   return Preheader;  in createPreheader()
1403   BasicBlock *Preheader = nullptr;  in run()  local
1405   Preheader = OriginalLoop.getLoopPreheader();  in run()
1406   assert(!isa<SCEVCouldNotCompute>(LatchTakenCount) && Preheader != nullptr &&  in run()
1409   OriginalPreheader = Preheader;  in run()
1410   MainLoopPreheader = Preheader;  in run()
1505     Preheader->getTerminator()->replaceUsesOfWith(MainLoopStructure.Header,  in run()
1509         createPreheader(MainLoopStructure, Preheader, "mainloop");  in run()
1510     PreLoopRRI = changeIterationSpaceEnd(PreLoop.Structure, Preheader,  in run()
1521         createPreheader(PostLoop.Structure, Preheader, "postloop");  in run()
1529       MainLoopPreheader != Preheader ? MainLoopPreheader : nullptr;  in run()
1890   BasicBlock *Preheader = L->getLoopPreheader();  in run()  local
1891   if (!Preheader) {  in run()
1896   LLVMContext &Context = Preheader->getContext();  in run()
1935   Instruction *ExprInsertPt = Preheader->getTerminator();  in run()