1304         ShuffleVectorInst *SSV = dyn_cast<ShuffleVectorInst>(U);  in foldSelectShuffle()  local
1305         if (SSV && isa<UndefValue>(SSV->getOperand(1)) && SSV->getType() == VT)  in foldSelectShuffle()
1306           Shuffles.push_back(SSV);  in foldSelectShuffle()
1329       auto *SSV = cast<ShuffleVectorInst>(SVOp0);  in foldSelectShuffle()  local
1330       SVOp0 = SSV->getOperand(0);  in foldSelectShuffle()
1331       SVOp1 = SSV->getOperand(1);  in foldSelectShuffle()
1333         if (Mask[I] >= static_cast<int>(SSV->getShuffleMask().size()))  in foldSelectShuffle()
1335         Mask[I] = Mask[I] < 0 ? Mask[I] : SSV->getMaskValue(Mask[I]);  in foldSelectShuffle()
1401       if (auto *SSV = dyn_cast<ShuffleVectorInst>(SV->getOperand(0)))  in foldSelectShuffle()  local
1402         if (InputShuffles.contains(SSV))  in foldSelectShuffle()
1403           return SSV->getMaskValue(SV->getMaskValue(M));  in foldSelectShuffle()
1516       if (auto *SSV = dyn_cast<ShuffleVectorInst>(SV->getOperand(0)))  in foldSelectShuffle()  local
1517         if (InputShuffles.contains(SSV))  in foldSelectShuffle()
1518           return SSV->getOperand(Op);  in foldSelectShuffle()