401     bool optimizeShuffleVectorInst(ShuffleVectorInst *SVI);
6700 bool CodeGenPrepare::optimizeShuffleVectorInst(ShuffleVectorInst *SVI) {  in optimizeShuffleVectorInst()  argument
6701   if (!match(SVI, m_Shuffle(m_InsertElt(m_Undef(), m_Value(), m_ZeroInt()),  in optimizeShuffleVectorInst()
6704   Type *NewType = TLI->shouldConvertSplatType(SVI);  in optimizeShuffleVectorInst()
6708   auto *SVIVecType = cast<FixedVectorType>(SVI->getType());  in optimizeShuffleVectorInst()
6716   IRBuilder<> Builder(SVI->getContext());  in optimizeShuffleVectorInst()
6717   Builder.SetInsertPoint(SVI);  in optimizeShuffleVectorInst()
6719       cast<Instruction>(SVI->getOperand(0))->getOperand(1), NewType);  in optimizeShuffleVectorInst()
6723       Insert, UndefValue::get(NewVecType), SVI->getShuffleMask());  in optimizeShuffleVectorInst()
6726   SVI->replaceAllUsesWith(BC2);  in optimizeShuffleVectorInst()
6728       SVI, TLInfo, nullptr, [&](Value *V) { removeAllAssertingVHReferences(V); });  in optimizeShuffleVectorInst()