104   void simplifyAndExtend(Loop *L, SCEVExpander &Rewriter, LoopInfo *LI);
107   void rewriteLoopExitValues(Loop *L, SCEVExpander &Rewriter);
111                                    PHINode *IndVar, SCEVExpander &Rewriter);
115   Value *expandSCEVIfNeeded(SCEVExpander &Rewriter, const SCEV *S, Loop *L,
479 Value *IndVarSimplify::expandSCEVIfNeeded(SCEVExpander &Rewriter, const SCEV *S,  in expandSCEVIfNeeded()  argument
484   if (Value *ExistingValue = Rewriter.findExistingExpansion(S, InsertPt, L))  in expandSCEVIfNeeded()
489   return Rewriter.expandCodeFor(S, ResultTy, InsertPt);  in expandSCEVIfNeeded()
507 void IndVarSimplify::rewriteLoopExitValues(Loop *L, SCEVExpander &Rewriter) {  in rewriteLoopExitValues()  argument
606         bool HighCost = Rewriter.isHighCostExpansion(ExitValue, L, Inst);  in rewriteLoopExitValues()
608             expandSCEVIfNeeded(Rewriter, ExitValue, L, Inst, PN->getType());  in rewriteLoopExitValues()
658   Rewriter.clearInsertPoint();  in rewriteLoopExitValues()
910   PHINode *createWideIV(SCEVExpander &Rewriter);
928   Instruction *widenIVUse(NarrowIVDefUse DU, SCEVExpander &Rewriter);
1252 Instruction *WidenIV::widenIVUse(NarrowIVDefUse DU, SCEVExpander &Rewriter) {  in widenIVUse()  argument
1346   if (WideAddRec == WideIncExpr && Rewriter.hoistIVInc(WideInc, DU.NarrowUse))  in widenIVUse()
1396 PHINode *WidenIV::createWideIV(SCEVExpander &Rewriter) {  in createWideIV()  argument
1428   WidePhi = cast<PHINode>(Rewriter.expandCodeFor(AddRec, WideType, InsertPt));  in createWideIV()
1454     Instruction *WideUse = widenIVUse(DU, Rewriter);  in createWideIV()
1505                                        SCEVExpander &Rewriter,  in simplifyAndExtend()  argument
1539       if (PHINode *WidePhi = Widener.createWideIV(Rewriter)) {  in simplifyAndExtend()
1565                                         SCEVExpander &Rewriter) {  in canExpandBackedgeTakenCount()  argument
1578   if (Rewriter.isHighCostExpansion(BackedgeTakenCount, L))  in canExpandBackedgeTakenCount()
1827                            SCEVExpander &Rewriter, ScalarEvolution *SE) {  in genLoopLimit()  argument
1850     Value *GEPOffset = Rewriter.expandCodeFor(IVOffset, OfsTy, BI);  in genLoopLimit()
1901     return Rewriter.expandCodeFor(IVLimit, LimitTy, BI);  in genLoopLimit()
1914                           SCEVExpander &Rewriter) {  in linearFunctionTestReplace()  argument
1915   assert(canExpandBackedgeTakenCount(L, SE, Rewriter) && "precondition");  in linearFunctionTestReplace()
1936   Value *ExitCnt = genLoopLimit(IndVar, IVCount, L, Rewriter, SE);  in linearFunctionTestReplace()
2121   SCEVExpander Rewriter(*SE, DL, "indvars");  in run()  local
2123   Rewriter.setDebugType(DEBUG_TYPE);  in run()
2132   Rewriter.disableCanonicalMode();  in run()
2133   simplifyAndExtend(L, Rewriter, LI);  in run()
2143     rewriteLoopExitValues(L, Rewriter);  in run()
2146   NumElimIV += Rewriter.replaceCongruentIVs(L, DT, DeadInsts);  in run()
2150   if (canExpandBackedgeTakenCount(L, SE, Rewriter) && needsLFTR(L, DT)) {  in run()
2164                                         Rewriter);  in run()
2170   Rewriter.clear();  in run()