3873 InstCombinerImpl::foldExtractOfOverflowIntrinsic(ExtractValueInst &EV) {  in foldExtractOfOverflowIntrinsic()  argument
3874   auto *WO = dyn_cast<WithOverflowInst>(EV.getAggregateOperand());  in foldExtractOfOverflowIntrinsic()
3881     if (*EV.idx_begin() == 0 && (OvID == Intrinsic::smul_with_overflow ||  in foldExtractOfOverflowIntrinsic()
3903   if (*EV.idx_begin() == 0) {  in foldExtractOfOverflowIntrinsic()
3912   assert(*EV.idx_begin() == 1 && "Unexpected extract index for overflow inst");  in foldExtractOfOverflowIntrinsic()
3958 Instruction *InstCombinerImpl::visitExtractValueInst(ExtractValueInst &EV) {  in visitExtractValueInst()  argument
3959   Value *Agg = EV.getAggregateOperand();  in visitExtractValueInst()
3961   if (!EV.hasIndices())  in visitExtractValueInst()
3962     return replaceInstUsesWith(EV, Agg);  in visitExtractValueInst()
3964   if (Value *V = simplifyExtractValueInst(Agg, EV.getIndices(),  in visitExtractValueInst()
3965                                           SQ.getWithInstruction(&EV)))  in visitExtractValueInst()
3966     return replaceInstUsesWith(EV, V);  in visitExtractValueInst()
3971     for (exti = EV.idx_begin(), insi = IV->idx_begin(),  in visitExtractValueInst()
3972          exte = EV.idx_end(), inse = IV->idx_end();  in visitExtractValueInst()
3985                                         EV.getIndices());  in visitExtractValueInst()
3992       return replaceInstUsesWith(EV, IV->getInsertedValueOperand());  in visitExtractValueInst()
4003                                                 EV.getIndices());  in visitExtractValueInst()
4020   if (Instruction *R = foldExtractOfOverflowIntrinsic(EV))  in visitExtractValueInst()
4039       for (unsigned Idx : EV.indices())  in visitExtractValueInst()
4047       Instruction *NL = Builder.CreateLoad(EV.getType(), GEP);  in visitExtractValueInst()
4053       return replaceInstUsesWith(EV, NL);  in visitExtractValueInst()
4058     if (Instruction *Res = foldOpIntoPhi(EV, PN))  in visitExtractValueInst()
4064     if (Instruction *R = FoldOpIntoSelect(EV, SI, /*FoldWithMultiUse=*/true))  in visitExtractValueInst()