156   bool simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LoopInfo *LI);
162   bool optimizeLoopExits(Loop *L, SCEVExpander &Rewriter);
165   bool predicateLoopExits(Loop *L, SCEVExpander &Rewriter);
171                                  PHINode *IndVar, SCEVExpander &Rewriter);
600                                        SCEVExpander &Rewriter,  in simplifyAndExtend()  argument
630       Changed |= simplifyUsersOfIV(CurrIV, SE, DT, LI, TTI, DeadInsts, Rewriter,  in simplifyAndExtend()
645       if (PHINode *WidePhi = createWideIV(WideIVs.back(), LI, SE, Rewriter,  in simplifyAndExtend()
979                            SCEVExpander &Rewriter, ScalarEvolution *SE) {  in genLoopLimit()  argument
1008     return Rewriter.expandCodeFor(IVLimit, IndVar->getType(), BI);  in genLoopLimit()
1051     return Rewriter.expandCodeFor(IVLimit, LimitTy, BI);  in genLoopLimit()
1063                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()  argument
1112       IndVar, ExitingBB, ExitCount, UsePostInc, L, Rewriter, SE);  in linearFunctionTestReplace()
1347     const SCEV *InvariantLHS, const SCEV *InvariantRHS, SCEVExpander &Rewriter,  in replaceWithInvariantCond()  argument
1350   Rewriter.setInsertPoint(BI);  in replaceWithInvariantCond()
1351   auto *LHSV = Rewriter.expandCodeFor(InvariantLHS);  in replaceWithInvariantCond()
1352   auto *RHSV = Rewriter.expandCodeFor(InvariantRHS);  in replaceWithInvariantCond()
1365     ScalarEvolution *SE, SCEVExpander &Rewriter,  in optimizeLoopExitWithUnknownExitCount()  argument
1424                              Rewriter, DeadInsts);  in optimizeLoopExitWithUnknownExitCount()
1563 bool IndVarSimplify::optimizeLoopExits(Loop *L, SCEVExpander &Rewriter) {  in optimizeLoopExits()  argument
1638             Rewriter, DeadInsts);  in optimizeLoopExits()
1721 bool IndVarSimplify::predicateLoopExits(Loop *L, SCEVExpander &Rewriter) {  in predicateLoopExits()  argument
1741   if (isa<SCEVCouldNotCompute>(ExactBTC) || !Rewriter.isSafeToExpand(ExactBTC))  in predicateLoopExits()
1773         !Rewriter.isSafeToExpand(ExitCount))  in predicateLoopExits()
1849   Rewriter.setInsertPoint(L->getLoopPreheader()->getTerminator());  in predicateLoopExits()
1861       Value *ECV = Rewriter.expandCodeFor(ExitCount);  in predicateLoopExits()
1863         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()
2026                                              Rewriter);  in run()
2032   Rewriter.clear();  in run()