214     } else if (InsertElementInst *IE = dyn_cast<InsertElementInst>(I)) {  in visitExtractElementInst()  local
216       if (IE->getOperand(2) == EI.getOperand(1))  in visitExtractElementInst()
217         return replaceInstUsesWith(EI, IE->getOperand(1));  in visitExtractElementInst()
220       if (isa<Constant>(IE->getOperand(2)) && isa<Constant>(EI.getOperand(1))) {  in visitExtractElementInst()
222         EI.setOperand(0, IE->getOperand(0));  in visitExtractElementInst()
569 Instruction *InstCombiner::visitInsertElementInst(InsertElementInst &IE) {  in visitInsertElementInst()  argument
570   Value *VecOp    = IE.getOperand(0);  in visitInsertElementInst()
571   Value *ScalarOp = IE.getOperand(1);  in visitInsertElementInst()
572   Value *IdxOp    = IE.getOperand(2);  in visitInsertElementInst()
576     replaceInstUsesWith(IE, VecOp);  in visitInsertElementInst()
582       unsigned NumInsertVectorElts = IE.getType()->getNumElements();  in visitInsertElementInst()
590         return replaceInstUsesWith(IE, VecOp);  in visitInsertElementInst()
593         return replaceInstUsesWith(IE, UndefValue::get(IE.getType()));  in visitInsertElementInst()
598         return replaceInstUsesWith(IE, VecOp);  in visitInsertElementInst()
602       if (!IE.hasOneUse() || !isa<InsertElementInst>(IE.user_back())) {  in visitInsertElementInst()
604         ShuffleOps LR = collectShuffleElements(&IE, Mask, nullptr, *this);  in visitInsertElementInst()
608         if (LR.first != &IE && LR.second != &IE) {  in visitInsertElementInst()
622   if (Value *V = SimplifyDemandedVectorElts(&IE, AllOnesEltMask, UndefElts)) {  in visitInsertElementInst()
623     if (V != &IE)  in visitInsertElementInst()
624       return replaceInstUsesWith(IE, V);  in visitInsertElementInst()
625     return &IE;  in visitInsertElementInst()