832                                      GetElementPtrInst *GEPI, Instruction *MemI,  in canReplaceGEPIdxWithZero()  argument
834   if (GEPI->getNumOperands() < 2)  in canReplaceGEPIdxWithZero()
839   auto FirstNZIdx = [](const GetElementPtrInst *GEPI) {  in canReplaceGEPIdxWithZero()  argument
841     for (unsigned IE = GEPI->getNumOperands(); I != IE; ++I) {  in canReplaceGEPIdxWithZero()
842       Value *V = GEPI->getOperand(I);  in canReplaceGEPIdxWithZero()
855   Idx = FirstNZIdx(GEPI);  in canReplaceGEPIdxWithZero()
856   if (Idx == GEPI->getNumOperands())  in canReplaceGEPIdxWithZero()
858   if (isa<Constant>(GEPI->getOperand(Idx)))  in canReplaceGEPIdxWithZero()
861   SmallVector<Value *, 4> Ops(GEPI->idx_begin(), GEPI->idx_begin() + Idx);  in canReplaceGEPIdxWithZero()
862   Type *SourceElementType = GEPI->getSourceElementType();  in canReplaceGEPIdxWithZero()
879     for (unsigned i = Idx+1, e = GEPI->getNumOperands(); i != e; ++i) {  in canReplaceGEPIdxWithZero()
880       KnownBits Known = IC.computeKnownBits(GEPI->getOperand(i), 0, MemI);  in canReplaceGEPIdxWithZero()
894   if (Idx+1 != GEPI->getNumOperands() && !GEPI->isInBounds())  in canReplaceGEPIdxWithZero()
899   return isObjectSizeLessThanOrEq(GEPI->getOperand(0), TyAllocSize, DL) &&  in canReplaceGEPIdxWithZero()
909   if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(Ptr)) {  in replaceGEPIdxWithZero()  local
911     if (canReplaceGEPIdxWithZero(IC, GEPI, &MemI, Idx)) {  in replaceGEPIdxWithZero()
912       Instruction *NewGEPI = GEPI->clone();  in replaceGEPIdxWithZero()
914         ConstantInt::get(GEPI->getOperand(Idx)->getType(), 0));  in replaceGEPIdxWithZero()
915       NewGEPI->insertBefore(GEPI);  in replaceGEPIdxWithZero()
929   if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(Ptr))  in canSimplifyNullStoreOrGEP()  local
930     Ptr = GEPI->getOperand(0);  in canSimplifyNullStoreOrGEP()
936   if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(Op)) {  in canSimplifyNullLoadOrGEP()  local
937     const Value *GEPI0 = GEPI->getOperand(0);  in canSimplifyNullLoadOrGEP()
939         !NullPointerIsDefined(LI.getFunction(), GEPI->getPointerAddressSpace()))  in canSimplifyNullLoadOrGEP()