462                                  const LoopStructure &LS, ScalarEvolution &SE,  in LoopConstrainer()  argument
466       MainLoopStructure(LS), SR(SR) {}  in LoopConstrainer()
520     const LoopStructure &LS, BasicBlock *Preheader, Value *ExitSubloopAt,  in changeIterationSpaceEnd()  argument
595   BasicBlock *BBInsertLocation = LS.Latch->getNextNode();  in changeIterationSpaceEnd()
596   RRI.ExitSelector = BasicBlock::Create(Ctx, Twine(LS.Tag) + ".exit.selector",  in changeIterationSpaceEnd()
598   RRI.PseudoExit = BasicBlock::Create(Ctx, Twine(LS.Tag) + ".pseudo.exit", &F,  in changeIterationSpaceEnd()
602   bool Increasing = LS.IndVarIncreasing;  in changeIterationSpaceEnd()
603   bool IsSignedPredicate = LS.IsSignedPredicate;  in changeIterationSpaceEnd()
619   Value *IndVarStart = NoopOrExt(LS.IndVarStart);  in changeIterationSpaceEnd()
622   B.CreateCondBr(EnterLoopCond, LS.Header, RRI.PseudoExit);  in changeIterationSpaceEnd()
625   LS.LatchBr->setSuccessor(LS.LatchBrExitIdx, RRI.ExitSelector);  in changeIterationSpaceEnd()
626   B.SetInsertPoint(LS.LatchBr);  in changeIterationSpaceEnd()
627   Value *IndVarBase = NoopOrExt(LS.IndVarBase);  in changeIterationSpaceEnd()
630   Value *CondForBranch = LS.LatchBrExitIdx == 1  in changeIterationSpaceEnd()
634   LS.LatchBr->setCondition(CondForBranch);  in changeIterationSpaceEnd()
641   Value *LoopExitAt = NoopOrExt(LS.LoopExitAt);  in changeIterationSpaceEnd()
643   B.CreateCondBr(IterationsLeft, RRI.PseudoExit, LS.LatchExit);  in changeIterationSpaceEnd()
651   for (PHINode &PN : LS.Header->phis()) {  in changeIterationSpaceEnd()
656     NewPHI->addIncoming(PN.getIncomingValueForBlock(LS.Latch),  in changeIterationSpaceEnd()
668   LS.LatchExit->replacePhiUsesWith(LS.Latch, RRI.ExitSelector);  in changeIterationSpaceEnd()
674     LoopStructure &LS, BasicBlock *ContinuationBlock,  in rewriteIncomingValuesForPHIs()  argument
677   for (PHINode &PN : LS.Header->phis())  in rewriteIncomingValuesForPHIs()
681   LS.IndVarStart = RRI.IndVarEnd;  in rewriteIncomingValuesForPHIs()
684 BasicBlock *LoopConstrainer::createPreheader(const LoopStructure &LS,  in createPreheader()  argument
687   BasicBlock *Preheader = BasicBlock::Create(Ctx, Tag, &F, LS.Header);  in createPreheader()
688   BranchInst::Create(LS.Header, Preheader);  in createPreheader()
690   LS.Header->replacePhiUsesWith(OldPreheader, Preheader);  in createPreheader()