55 void SCEVDivision::divide(ScalarEvolution &SE, const SCEV *Numerator,  in divide()  argument
58   assert(Numerator && Denominator && "Uninitialized SCEV");  in divide()
60   SCEVDivision D(SE, Numerator, Denominator);  in divide()
64   if (Numerator == Denominator) {  in divide()
70   if (Numerator->isZero()) {  in divide()
78     *Quotient = Numerator;  in divide()
86     *Quotient = Numerator;  in divide()
95         *Remainder = Numerator;  in divide()
103   D.visit(Numerator);  in divide()
108 void SCEVDivision::visitConstant(const SCEVConstant *Numerator) {  in visitConstant()  argument
110     APInt NumeratorVal = Numerator->getAPInt();  in visitConstant()
129 void SCEVDivision::visitVScale(const SCEVVScale *Numerator) {  in visitVScale()  argument
130   return cannotDivide(Numerator);  in visitVScale()
133 void SCEVDivision::visitAddRecExpr(const SCEVAddRecExpr *Numerator) {  in visitAddRecExpr()  argument
135   if (!Numerator->isAffine())  in visitAddRecExpr()
136     return cannotDivide(Numerator);  in visitAddRecExpr()
137   divide(SE, Numerator->getStart(), Denominator, &StartQ, &StartR);  in visitAddRecExpr()
138   divide(SE, Numerator->getStepRecurrence(SE), Denominator, &StepQ, &StepR);  in visitAddRecExpr()
143     return cannotDivide(Numerator);  in visitAddRecExpr()
144   Quotient = SE.getAddRecExpr(StartQ, StepQ, Numerator->getLoop(),  in visitAddRecExpr()
145                               Numerator->getNoWrapFlags());  in visitAddRecExpr()
146   Remainder = SE.getAddRecExpr(StartR, StepR, Numerator->getLoop(),  in visitAddRecExpr()
147                                Numerator->getNoWrapFlags());  in visitAddRecExpr()
150 void SCEVDivision::visitAddExpr(const SCEVAddExpr *Numerator) {  in visitAddExpr()  argument
154   for (const SCEV *Op : Numerator->operands()) {  in visitAddExpr()
160       return cannotDivide(Numerator);  in visitAddExpr()
176 void SCEVDivision::visitMulExpr(const SCEVMulExpr *Numerator) {  in visitMulExpr()  argument
181   for (const SCEV *Op : Numerator->operands()) {  in visitMulExpr()
184       return cannotDivide(Numerator);  in visitMulExpr()
201       return cannotDivide(Numerator);  in visitMulExpr()
217     return cannotDivide(Numerator);  in visitMulExpr()
222   Remainder = SCEVParameterRewriter::rewrite(Numerator, SE, RewriteMap);  in visitMulExpr()
227     Quotient = SCEVParameterRewriter::rewrite(Numerator, SE, RewriteMap);  in visitMulExpr()
233   const SCEV *Diff = SE.getMinusSCEV(Numerator, Remainder);  in visitMulExpr()
235   if (sizeOfSCEV(Diff) > sizeOfSCEV(Numerator))  in visitMulExpr()
236     return cannotDivide(Numerator);  in visitMulExpr()
239     return cannotDivide(Numerator);  in visitMulExpr()
243 SCEVDivision::SCEVDivision(ScalarEvolution &S, const SCEV *Numerator,  in SCEVDivision()  argument
251   cannotDivide(Numerator);  in SCEVDivision()
256 void SCEVDivision::cannotDivide(const SCEV *Numerator) {  in cannotDivide()  argument
258   Remainder = Numerator;  in cannotDivide()