146   bool simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LoopInfo *LI);
152   bool optimizeLoopExits(Loop *L, SCEVExpander &Rewriter);
155   bool predicateLoopExits(Loop *L, SCEVExpander &Rewriter);
161                                  PHINode *IndVar, SCEVExpander &Rewriter);
597                                        SCEVExpander &Rewriter,  in simplifyAndExtend()  argument
628                                              Rewriter, &Visitor);  in simplifyAndExtend()
644       if (PHINode *WidePhi = createWideIV(WideIVs.back(), LI, SE, Rewriter,  in simplifyAndExtend()
918                            SCEVExpander &Rewriter, ScalarEvolution *SE) {  in genLoopLimit()  argument
941   return Rewriter.expandCodeFor(IVLimit, ARBase->getType(),  in genLoopLimit()
953                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()  argument
1002       IndVar, ExitingBB, ExitCount, UsePostInc, L, Rewriter, SE);  in linearFunctionTestReplace()
1248                     SCEVExpander &Rewriter) {  in createInvariantCond()  argument
1252   Rewriter.setInsertPoint(Preheader->getTerminator());  in createInvariantCond()
1253   auto *LHSV = Rewriter.expandCodeFor(LIP.LHS);  in createInvariantCond()
1254   auto *RHSV = Rewriter.expandCodeFor(LIP.RHS);  in createInvariantCond()
1267                   ScalarEvolution *SE, SCEVExpander &Rewriter) {  in createReplacement()  argument
1319     return createInvariantCond(L, ExitingBB, *LIP, Rewriter);  in createReplacement()
1324     bool SkipLastIter, ScalarEvolution *SE, SCEVExpander &Rewriter,  in optimizeLoopExitWithUnknownExitCount()  argument
1407                               OptimisticSkipLastIter, SE, Rewriter)) {  in optimizeLoopExitWithUnknownExitCount()
1560 bool IndVarSimplify::optimizeLoopExits(Loop *L, SCEVExpander &Rewriter) {  in optimizeLoopExits()  argument
1650                                                     SE, Rewriter, DeadInsts);  in optimizeLoopExits()
1730 bool IndVarSimplify::predicateLoopExits(Loop *L, SCEVExpander &Rewriter) {  in predicateLoopExits()  argument
1750   if (isa<SCEVCouldNotCompute>(ExactBTC) || !Rewriter.isSafeToExpand(ExactBTC))  in predicateLoopExits()
1782         !Rewriter.isSafeToExpand(ExitCount))  in predicateLoopExits()
1858   Rewriter.setInsertPoint(L->getLoopPreheader()->getTerminator());  in predicateLoopExits()
1870       Value *ECV = Rewriter.expandCodeFor(ExitCount);  in predicateLoopExits()
1872         ExactBTCV = Rewriter.expandCodeFor(ExactBTC);  in predicateLoopExits()
1921   SCEVExpander Rewriter(*SE, DL, "indvars");  in run()  local
1923   Rewriter.setDebugType(DEBUG_TYPE);  in run()
1932   Rewriter.disableCanonicalMode();  in run()
1933   Changed |= simplifyAndExtend(L, Rewriter, LI);  in run()
1940     if (int Rewrites = rewriteLoopExitValues(L, LI, TLI, SE, TTI, Rewriter, DT,  in run()
1948   NumElimIV += Rewriter.replaceCongruentIVs(L, DT, DeadInsts, TTI);  in run()
1955   if (optimizeLoopExits(L, Rewriter))  {  in run()
1965   if (predicateLoopExits(L, Rewriter)) {  in run()
2009       if (Rewriter.isHighCostExpansion(ExitCount, L, SCEVCheapExpansionBudget,  in run()
2013       if (!Rewriter.isSafeToExpand(ExitCount))  in run()
2018                                            Rewriter);  in run()
2024   Rewriter.clear();  in run()