892                                      GetElementPtrInst *GEPI, Instruction *MemI,  in canReplaceGEPIdxWithZero()  argument
894   if (GEPI->getNumOperands() < 2)  in canReplaceGEPIdxWithZero()
899   auto FirstNZIdx = [](const GetElementPtrInst *GEPI) {  in canReplaceGEPIdxWithZero()  argument
901     for (unsigned IE = GEPI->getNumOperands(); I != IE; ++I) {  in canReplaceGEPIdxWithZero()
902       Value *V = GEPI->getOperand(I);  in canReplaceGEPIdxWithZero()
915   Idx = FirstNZIdx(GEPI);  in canReplaceGEPIdxWithZero()
916   if (Idx == GEPI->getNumOperands())  in canReplaceGEPIdxWithZero()
918   if (isa<Constant>(GEPI->getOperand(Idx)))  in canReplaceGEPIdxWithZero()
921   SmallVector<Value *, 4> Ops(GEPI->idx_begin(), GEPI->idx_begin() + Idx);  in canReplaceGEPIdxWithZero()
922   Type *SourceElementType = GEPI->getSourceElementType();  in canReplaceGEPIdxWithZero()
939     for (unsigned i = Idx+1, e = GEPI->getNumOperands(); i != e; ++i) {  in canReplaceGEPIdxWithZero()
940       KnownBits Known = IC.computeKnownBits(GEPI->getOperand(i), 0, MemI);  in canReplaceGEPIdxWithZero()
954   if (Idx+1 != GEPI->getNumOperands() && !GEPI->isInBounds())  in canReplaceGEPIdxWithZero()
959   return isObjectSizeLessThanOrEq(GEPI->getOperand(0), TyAllocSize, DL) &&  in canReplaceGEPIdxWithZero()
968   if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(Ptr)) {  in replaceGEPIdxWithZero()  local
970     if (canReplaceGEPIdxWithZero(IC, GEPI, &MemI, Idx)) {  in replaceGEPIdxWithZero()
971       Instruction *NewGEPI = GEPI->clone();  in replaceGEPIdxWithZero()
973         ConstantInt::get(GEPI->getOperand(Idx)->getType(), 0));  in replaceGEPIdxWithZero()
974       IC.InsertNewInstBefore(NewGEPI, GEPI->getIterator());  in replaceGEPIdxWithZero()
987   if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(Ptr))  in canSimplifyNullStoreOrGEP()  local
988     Ptr = GEPI->getOperand(0);  in canSimplifyNullStoreOrGEP()
994   if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(Op)) {  in canSimplifyNullLoadOrGEP()  local
995     const Value *GEPI0 = GEPI->getOperand(0);  in canSimplifyNullLoadOrGEP()
997         !NullPointerIsDefined(LI.getFunction(), GEPI->getPointerAddressSpace()))  in canSimplifyNullLoadOrGEP()