2859     int eltMask;  in visitShuffleVectorInst()  local
2862       eltMask = -1;  in visitShuffleVectorInst()
2869         eltMask = LHSMask[Mask[i]];  in visitShuffleVectorInst()
2872         if (eltMask >= (int)LHSOp0Width && isa<UndefValue>(LHSOp1))  in visitShuffleVectorInst()
2873           eltMask = -1;  in visitShuffleVectorInst()
2875         eltMask = Mask[i];  in visitShuffleVectorInst()
2882         eltMask = -1;  in visitShuffleVectorInst()
2886         eltMask = RHSMask[Mask[i]-LHSWidth];  in visitShuffleVectorInst()
2889         if (eltMask >= (int)RHSOp0Width) {  in visitShuffleVectorInst()
2892           eltMask = -1;  in visitShuffleVectorInst()
2895         eltMask = Mask[i]-LHSWidth;  in visitShuffleVectorInst()
2903       if (eltMask >= 0 && newRHS != nullptr && newLHS != newRHS)  in visitShuffleVectorInst()
2904         eltMask += newLHSWidth;  in visitShuffleVectorInst()
2908     if (eltMask >= 0) {  in visitShuffleVectorInst()
2909       if (SplatElt >= 0 && SplatElt != eltMask)  in visitShuffleVectorInst()
2911       SplatElt = eltMask;  in visitShuffleVectorInst()
2914     newMask.push_back(eltMask);  in visitShuffleVectorInst()