143   bool simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LoopInfo *LI);
149   bool optimizeLoopExits(Loop *L, SCEVExpander &Rewriter);
152   bool predicateLoopExits(Loop *L, SCEVExpander &Rewriter);
158                                  PHINode *IndVar, SCEVExpander &Rewriter);
587                                        SCEVExpander &Rewriter,  in simplifyAndExtend()  argument
617       Changed |= simplifyUsersOfIV(CurrIV, SE, DT, LI, TTI, DeadInsts, Rewriter,  in simplifyAndExtend()
632       if (PHINode *WidePhi = createWideIV(WideIVs.back(), LI, SE, Rewriter,  in simplifyAndExtend()
906                            SCEVExpander &Rewriter, ScalarEvolution *SE) {  in genLoopLimit()  argument
929   return Rewriter.expandCodeFor(IVLimit, ARBase->getType(),  in genLoopLimit()
941                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()  argument
990       IndVar, ExitingBB, ExitCount, UsePostInc, L, Rewriter, SE);  in linearFunctionTestReplace()
1236                     SCEVExpander &Rewriter) {  in createInvariantCond()  argument
1240   Rewriter.setInsertPoint(Preheader->getTerminator());  in createInvariantCond()
1241   auto *LHSV = Rewriter.expandCodeFor(LIP.LHS);  in createInvariantCond()
1242   auto *RHSV = Rewriter.expandCodeFor(LIP.RHS);  in createInvariantCond()
1255                   ScalarEvolution *SE, SCEVExpander &Rewriter) {  in createReplacement()  argument
1307     return createInvariantCond(L, ExitingBB, *LIP, Rewriter);  in createReplacement()
1312     bool SkipLastIter, ScalarEvolution *SE, SCEVExpander &Rewriter,  in optimizeLoopExitWithUnknownExitCount()  argument
1395                               OptimisticSkipLastIter, SE, Rewriter)) {  in optimizeLoopExitWithUnknownExitCount()
1548 bool IndVarSimplify::optimizeLoopExits(Loop *L, SCEVExpander &Rewriter) {  in optimizeLoopExits()  argument
1638                                                     SE, Rewriter, DeadInsts);  in optimizeLoopExits()
1718 bool IndVarSimplify::predicateLoopExits(Loop *L, SCEVExpander &Rewriter) {  in predicateLoopExits()  argument
1738   if (isa<SCEVCouldNotCompute>(ExactBTC) || !Rewriter.isSafeToExpand(ExactBTC))  in predicateLoopExits()
1770         !Rewriter.isSafeToExpand(ExitCount))  in predicateLoopExits()
1846   Rewriter.setInsertPoint(L->getLoopPreheader()->getTerminator());  in predicateLoopExits()
1858       Value *ECV = Rewriter.expandCodeFor(ExitCount);  in predicateLoopExits()
1860         ExactBTCV = Rewriter.expandCodeFor(ExactBTC);  in predicateLoopExits()
1908   SCEVExpander Rewriter(*SE, DL, "indvars");  in run()  local
1910   Rewriter.setDebugType(DEBUG_TYPE);  in run()
1919   Rewriter.disableCanonicalMode();  in run()
1920   Changed |= simplifyAndExtend(L, Rewriter, LI);  in run()
1927     if (int Rewrites = rewriteLoopExitValues(L, LI, TLI, SE, TTI, Rewriter, DT,  in run()
1935   NumElimIV += Rewriter.replaceCongruentIVs(L, DT, DeadInsts, TTI);  in run()
1942   if (optimizeLoopExits(L, Rewriter))  {  in run()
1952   if (predicateLoopExits(L, Rewriter)) {  in run()
1996       if (Rewriter.isHighCostExpansion(ExitCount, L, SCEVCheapExpansionBudget,  in run()
2000       if (!Rewriter.isSafeToExpand(ExitCount))  in run()
2005                                            Rewriter);  in run()
2011   Rewriter.clear();  in run()