47 bool SCCPSolver::isConstant(const ValueLatticeElement &LV) {  in isConstant()  argument
48   return LV.isConstant() ||  in isConstant()
49          (LV.isConstantRange() && LV.getConstantRange().isSingleElement());  in isConstant()
52 bool SCCPSolver::isOverdefined(const ValueLatticeElement &LV) {  in isOverdefined()  argument
53   return !LV.isUnknownOrUndef() && !SCCPSolver::isConstant(LV);  in isOverdefined()
482     ValueLatticeElement &LV = I.first->second;  in getValueState()  local
485       return LV; // Common case, already in the map.  in getValueState()
488       LV.markConstant(C); // Constants are constant  in getValueState()
491     return LV;  in getValueState()
504     ValueLatticeElement &LV = I.first->second;  in getStructValueState()  local
507       return LV; // Common case, already in the map.  in getStructValueState()
513         LV.markOverdefined(); // Unknown sort of constant.  in getStructValueState()
515         LV.markConstant(Elt); // Constants are constant.  in getStructValueState()
519     return LV;  in getStructValueState()
828   Constant *getConstant(const ValueLatticeElement &LV, Type *Ty) const;
937     ValueLatticeElement LV = It->second;  in isStructLatticeConstant()  local
938     if (!SCCPSolver::isConstant(LV))  in isStructLatticeConstant()
944 Constant *SCCPInstVisitor::getConstant(const ValueLatticeElement &LV,  in getConstant()  argument
946   if (LV.isConstant()) {  in getConstant()
947     Constant *C = LV.getConstant();  in getConstant()
952   if (LV.isConstantRange()) {  in getConstant()
953     const auto &CR = LV.getConstantRange();  in getConstant()
969       ValueLatticeElement LV = LVs[I];  in getConstantOrNull()  local
970       ConstVals.push_back(SCCPSolver::isConstant(LV)  in getConstantOrNull()
971                               ? getConstant(LV, ST->getElementType(I))  in getConstantOrNull()
976     const ValueLatticeElement &LV = getLatticeValueFor(V);  in getConstantOrNull()  local
977     if (SCCPSolver::isOverdefined(LV))  in getConstantOrNull()
979     Const = SCCPSolver::isConstant(LV) ? getConstant(LV, V->getType())  in getConstantOrNull()
1296     auto &LV = getValueState(&I);  in visitCastInst()  local
1303     mergeInValue(LV, &I, ValueLatticeElement::getRange(Res));  in visitCastInst()
1971       ValueLatticeElement &LV = getStructValueState(&I, i);  in resolvedUndef()  local
1972       if (LV.isUnknown()) {  in resolvedUndef()
1973         markOverdefined(LV, &I);  in resolvedUndef()
1980   ValueLatticeElement &LV = getValueState(&I);  in resolvedUndef()  local
1981   if (!LV.isUnknown())  in resolvedUndef()
2151 Constant *SCCPSolver::getConstant(const ValueLatticeElement &LV,  in getConstant()  argument
2153   return Visitor->getConstant(LV, Ty);  in getConstant()