579   changeIterationSpaceEnd(const LoopStructure &LS, BasicBlock *Preheader,
767   BasicBlock *Preheader = L.getLoopPreheader();  in parseLoopStructure()  local
768   if (!Preheader) {  in parseLoopStructure()
940         IRBuilder<> B(Preheader->getTerminator());  in parseLoopStructure()
1007         IRBuilder<> B(Preheader->getTerminator());  in parseLoopStructure()
1022   const DataLayout &DL = Preheader->getModule()->getDataLayout();  in parseLoopStructure()
1025           .expandCodeFor(IndVarStart, IndVarTy, Preheader->getTerminator());  in parseLoopStructure()
1174     const LoopStructure &LS, BasicBlock *Preheader, Value *ExitSubloopAt,  in changeIterationSpaceEnd()  argument
1255   BranchInst *PreheaderJump = cast<BranchInst>(Preheader->getTerminator());  in changeIterationSpaceEnd()
1301     NewPHI->addIncoming(PN.getIncomingValueForBlock(Preheader), Preheader);  in changeIterationSpaceEnd()
1309   RRI.IndVarEnd->addIncoming(LS.IndVarStart, Preheader);  in changeIterationSpaceEnd()
1335   BasicBlock *Preheader = BasicBlock::Create(Ctx, Tag, &F, LS.Header);  in createPreheader()  local
1336   BranchInst::Create(LS.Header, Preheader);  in createPreheader()
1340       replacePHIBlock(&PN, OldPreheader, Preheader);  in createPreheader()
1342   return Preheader;  in createPreheader()
1377   BasicBlock *Preheader = nullptr;  in run()  local
1379   Preheader = OriginalLoop.getLoopPreheader();  in run()
1380   assert(!isa<SCEVCouldNotCompute>(LatchTakenCount) && Preheader != nullptr &&  in run()
1383   OriginalPreheader = Preheader;  in run()
1384   MainLoopPreheader = Preheader;  in run()
1479     Preheader->getTerminator()->replaceUsesOfWith(MainLoopStructure.Header,  in run()
1483         createPreheader(MainLoopStructure, Preheader, "mainloop");  in run()
1484     PreLoopRRI = changeIterationSpaceEnd(PreLoop.Structure, Preheader,  in run()
1495         createPreheader(PostLoop.Structure, Preheader, "postloop");  in run()
1503       MainLoopPreheader != Preheader ? MainLoopPreheader : nullptr;  in run()
1774   BasicBlock *Preheader = L->getLoopPreheader();  in run()  local
1775   if (!Preheader) {  in run()
1780   LLVMContext &Context = Preheader->getContext();  in run()
1817   Instruction *ExprInsertPt = Preheader->getTerminator();  in run()