186   unsigned Part;  member
190   VPIteration(unsigned Part, unsigned Lane,
192       : Part(Part), Lane(Lane, Kind) {}  in Part()  function
194   VPIteration(unsigned Part, const VPLane &Lane) : Part(Part), Lane(Lane) {}  in VPIteration()
196   bool isFirstIteration() const { return Part == 0 && Lane.isFirstLane(); }  in isFirstIteration()
234   Value *get(VPValue *Def, unsigned Part);
239   bool hasVectorValue(VPValue *Def, unsigned Part) {  in hasVectorValue()
241     return I != Data.PerPartOutput.end() && Part < I->second.size() &&  in hasVectorValue()
242            I->second[Part];  in hasVectorValue()
254     return Instance.Part < I->second.size() &&  in hasScalarValue()
255            CacheIdx < I->second[Instance.Part].size() &&  in hasScalarValue()
256            I->second[Instance.Part][CacheIdx];  in hasScalarValue()
260   void set(VPValue *Def, Value *V, unsigned Part) {  in set()
265     Data.PerPartOutput[Def][Part] = V;  in set()
268   void reset(VPValue *Def, Value *V, unsigned Part) {  in reset()
272     Iter->second[Part] = V;  in reset()
279     while (PerPartVec.size() <= Instance.Part)  in set()
281     auto &Scalars = PerPartVec[Instance.Part];  in set()
294     assert(Instance.Part < Iter->second.size() &&  in reset()
297     assert(CacheIdx < Iter->second[Instance.Part].size() &&  in reset()
299     Iter->second[Instance.Part][CacheIdx] = V;  in reset()
806   void generateInstruction(VPTransformState &State, unsigned Part);