57 void SCEVDivision::divide(ScalarEvolution &SE, const SCEV *Numerator,  in divide()  argument
60   assert(Numerator && Denominator && "Uninitialized SCEV");  in divide()
62   SCEVDivision D(SE, Numerator, Denominator);  in divide()
66   if (Numerator == Denominator) {  in divide()
72   if (Numerator->isZero()) {  in divide()
80     *Quotient = Numerator;  in divide()
88     *Quotient = Numerator;  in divide()
97         *Remainder = Numerator;  in divide()
105   D.visit(Numerator);  in divide()
110 void SCEVDivision::visitConstant(const SCEVConstant *Numerator) {  in visitConstant()  argument
112     APInt NumeratorVal = Numerator->getAPInt();  in visitConstant()
131 void SCEVDivision::visitAddRecExpr(const SCEVAddRecExpr *Numerator) {  in visitAddRecExpr()  argument
133   if (!Numerator->isAffine())  in visitAddRecExpr()
134     return cannotDivide(Numerator);  in visitAddRecExpr()
135   divide(SE, Numerator->getStart(), Denominator, &StartQ, &StartR);  in visitAddRecExpr()
136   divide(SE, Numerator->getStepRecurrence(SE), Denominator, &StepQ, &StepR);  in visitAddRecExpr()
141     return cannotDivide(Numerator);  in visitAddRecExpr()
142   Quotient = SE.getAddRecExpr(StartQ, StepQ, Numerator->getLoop(),  in visitAddRecExpr()
143                               Numerator->getNoWrapFlags());  in visitAddRecExpr()
144   Remainder = SE.getAddRecExpr(StartR, StepR, Numerator->getLoop(),  in visitAddRecExpr()
145                                Numerator->getNoWrapFlags());  in visitAddRecExpr()
148 void SCEVDivision::visitAddExpr(const SCEVAddExpr *Numerator) {  in visitAddExpr()  argument
152   for (const SCEV *Op : Numerator->operands()) {  in visitAddExpr()
158       return cannotDivide(Numerator);  in visitAddExpr()
174 void SCEVDivision::visitMulExpr(const SCEVMulExpr *Numerator) {  in visitMulExpr()  argument
179   for (const SCEV *Op : Numerator->operands()) {  in visitMulExpr()
182       return cannotDivide(Numerator);  in visitMulExpr()
199       return cannotDivide(Numerator);  in visitMulExpr()
215     return cannotDivide(Numerator);  in visitMulExpr()
220   Remainder = SCEVParameterRewriter::rewrite(Numerator, SE, RewriteMap);  in visitMulExpr()
225     Quotient = SCEVParameterRewriter::rewrite(Numerator, SE, RewriteMap);  in visitMulExpr()
231   const SCEV *Diff = SE.getMinusSCEV(Numerator, Remainder);  in visitMulExpr()
233   if (sizeOfSCEV(Diff) > sizeOfSCEV(Numerator))  in visitMulExpr()
234     return cannotDivide(Numerator);  in visitMulExpr()
237     return cannotDivide(Numerator);  in visitMulExpr()
241 SCEVDivision::SCEVDivision(ScalarEvolution &S, const SCEV *Numerator,  in SCEVDivision()  argument
249   cannotDivide(Numerator);  in SCEVDivision()
254 void SCEVDivision::cannotDivide(const SCEV *Numerator) {  in cannotDivide()  argument
256   Remainder = Numerator;  in cannotDivide()