Transforms/Scalar/SCCP.cpp

480   void visitExtractValueInst(ExtractValueInst &EVI);
771 void SCCPSolver::visitExtractValueInst(ExtractValueInst &EVI) {
774   if (EVI.getType()->isStructTy())
775     return markAnythingOverdefined(&EVI);
778   if (EVI.getNumIndices() != 1)
779     return markOverdefined(&EVI);
781   Value *AggVal = EVI.getAggregateOperand();
783     unsigned i = *EVI.idx_begin();
785     mergeInValue(getValueState(&EVI), &EVI, EltVal);
788     return markOverdefined(&EVI);