157   bool simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LoopInfo *LI);
159   bool optimizeLoopExits(Loop *L, SCEVExpander &Rewriter);
162   bool predicateLoopExits(Loop *L, SCEVExpander &Rewriter);
168                                  PHINode *IndVar, SCEVExpander &Rewriter);
596                                        SCEVExpander &Rewriter,  in simplifyAndExtend()  argument
626       Changed |= simplifyUsersOfIV(CurrIV, SE, DT, LI, TTI, DeadInsts, Rewriter,  in simplifyAndExtend()
641       if (PHINode *WidePhi = createWideIV(WideIVs.back(), LI, SE, Rewriter,  in simplifyAndExtend()
975                            SCEVExpander &Rewriter, ScalarEvolution *SE) {  in genLoopLimit()  argument
1010     return Rewriter.expandCodeFor(IVLimit, IndVar->getType(), BI);  in genLoopLimit()
1054     return Rewriter.expandCodeFor(IVLimit, LimitTy, BI);  in genLoopLimit()
1066                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()  argument
1115       IndVar, ExitingBB, ExitCount, UsePostInc, L, Rewriter, SE);  in linearFunctionTestReplace()
1314     const SCEV *InvariantLHS, const SCEV *InvariantRHS, SCEVExpander &Rewriter,  in replaceWithInvariantCond()  argument
1317   Rewriter.setInsertPoint(BI);  in replaceWithInvariantCond()
1318   auto *LHSV = Rewriter.expandCodeFor(InvariantLHS);  in replaceWithInvariantCond()
1319   auto *RHSV = Rewriter.expandCodeFor(InvariantRHS);  in replaceWithInvariantCond()
1332     ScalarEvolution *SE, SCEVExpander &Rewriter,  in optimizeLoopExitWithUnknownExitCount()  argument
1392                              Rewriter, DeadInsts);  in optimizeLoopExitWithUnknownExitCount()
1397 bool IndVarSimplify::optimizeLoopExits(Loop *L, SCEVExpander &Rewriter) {  in optimizeLoopExits()  argument
1467             Rewriter, DeadInsts);  in optimizeLoopExits()
1552 bool IndVarSimplify::predicateLoopExits(Loop *L, SCEVExpander &Rewriter) {  in predicateLoopExits()  argument
1685   Rewriter.setInsertPoint(L->getLoopPreheader()->getTerminator());  in predicateLoopExits()
1697       Value *ECV = Rewriter.expandCodeFor(ExitCount);  in predicateLoopExits()
1699         ExactBTCV = Rewriter.expandCodeFor(ExactBTC);  in predicateLoopExits()
1757   SCEVExpander Rewriter(*SE, DL, "indvars");  in run()  local
1759   Rewriter.setDebugType(DEBUG_TYPE);  in run()
1768   Rewriter.disableCanonicalMode();  in run()
1769   Changed |= simplifyAndExtend(L, Rewriter, LI);  in run()
1776     if (int Rewrites = rewriteLoopExitValues(L, LI, TLI, SE, TTI, Rewriter, DT,  in run()
1784   NumElimIV += Rewriter.replaceCongruentIVs(L, DT, DeadInsts);  in run()
1787   if (optimizeLoopExits(L, Rewriter))  {  in run()
1797   if (predicateLoopExits(L, Rewriter)) {  in run()
1842       if (Rewriter.isHighCostExpansion(ExitCount, L, SCEVCheapExpansionBudget,  in run()
1859                                              Rewriter);  in run()
1865   Rewriter.clear();  in run()