162   void traceAICall(CallInst *Call, CallInfo &ParentInfo);
169   bool IsPreserveDIAccessIndexCall(const CallInst *Call, CallInfo &Cinfo);
182   Value *computeBaseAndAccessKey(CallInst *Call, CallInfo &CInfo,
184   MDNode *computeAccessKey(CallInst *Call, CallInfo &CInfo,
187   bool transformGEPChain(CallInst *Call, CallInfo &CInfo);
349 static Type *getBaseElementType(const CallInst *Call) {  in getBaseElementType()  argument
351   return Call->getParamElementType(0);  in getBaseElementType()
355 bool BPFAbstractMemberAccess::IsPreserveDIAccessIndexCall(const CallInst *Call,  in IsPreserveDIAccessIndexCall()  argument
357   if (!Call)  in IsPreserveDIAccessIndexCall()
360   const auto *GV = dyn_cast<GlobalValue>(Call->getCalledOperand());  in IsPreserveDIAccessIndexCall()
365     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
368     CInfo.AccessIndex = getConstant(Call->getArgOperand(2));  in IsPreserveDIAccessIndexCall()
369     CInfo.Base = Call->getArgOperand(0);  in IsPreserveDIAccessIndexCall()
370     CInfo.RecordAlignment = DL->getABITypeAlign(getBaseElementType(Call));  in IsPreserveDIAccessIndexCall()
375     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
379     CInfo.AccessIndex = getConstant(Call->getArgOperand(1));  in IsPreserveDIAccessIndexCall()
380     CInfo.Base = Call->getArgOperand(0);  in IsPreserveDIAccessIndexCall()
385     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
389     CInfo.AccessIndex = getConstant(Call->getArgOperand(2));  in IsPreserveDIAccessIndexCall()
390     CInfo.Base = Call->getArgOperand(0);  in IsPreserveDIAccessIndexCall()
391     CInfo.RecordAlignment = DL->getABITypeAlign(getBaseElementType(Call));  in IsPreserveDIAccessIndexCall()
398     uint64_t InfoKind = getConstant(Call->getArgOperand(1));  in IsPreserveDIAccessIndexCall()
406     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
409     uint64_t Flag = getConstant(Call->getArgOperand(1));  in IsPreserveDIAccessIndexCall()
422     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
425     uint64_t Flag = getConstant(Call->getArgOperand(2));  in IsPreserveDIAccessIndexCall()
441   for (auto Call : CallList) {  in replaceWithGEP()  local
444       Dimension = getConstant(Call->getArgOperand(DimensionIndex));  in replaceWithGEP()
447         ConstantInt::get(Type::getInt32Ty(Call->getParent()->getContext()), 0);  in replaceWithGEP()
451     IdxList.push_back(Call->getArgOperand(GEPIndex));  in replaceWithGEP()
454         getBaseElementType(Call), Call->getArgOperand(0), IdxList, "", Call);  in replaceWithGEP()
455     Call->replaceAllUsesWith(GEP);  in replaceWithGEP()
456     Call->eraseFromParent();  in replaceWithGEP()
468       auto *Call = dyn_cast<CallInst>(&I);  in removePreserveAccessIndexIntrinsic()  local
470       if (!IsPreserveDIAccessIndexCall(Call, CInfo))  in removePreserveAccessIndexIntrinsic()
475         PreserveArrayIndexCalls.push_back(Call);  in removePreserveAccessIndexIntrinsic()
477         PreserveUnionIndexCalls.push_back(Call);  in removePreserveAccessIndexIntrinsic()
479         PreserveStructIndexCalls.push_back(Call);  in removePreserveAccessIndexIntrinsic()
494   for (auto Call : PreserveUnionIndexCalls) {  in removePreserveAccessIndexIntrinsic()  local
495     Call->replaceAllUsesWith(Call->getArgOperand(0));  in removePreserveAccessIndexIntrinsic()
496     Call->eraseFromParent();  in removePreserveAccessIndexIntrinsic()
554 void BPFAbstractMemberAccess::traceAICall(CallInst *Call,  in traceAICall()  argument
556   for (User *U : Call->users()) {  in traceAICall()
562       traceBitCast(BI, Call, ParentInfo);  in traceAICall()
569         AIChain[CI] = std::make_pair(Call, ParentInfo);  in traceAICall()
572         BaseAICalls[Call] = ParentInfo;  in traceAICall()
576         traceGEP(GI, Call, ParentInfo);  in traceAICall()
578         BaseAICalls[Call] = ParentInfo;  in traceAICall()
580       BaseAICalls[Call] = ParentInfo;  in traceAICall()
653       auto *Call = dyn_cast<CallInst>(&I);  in collectAICallChains()  local
654       if (!IsPreserveDIAccessIndexCall(Call, CInfo) ||  in collectAICallChains()
655           AIChain.find(Call) != AIChain.end())  in collectAICallChains()
658       traceAICall(Call, CInfo);  in collectAICallChains()
852 Value *BPFAbstractMemberAccess::computeBaseAndAccessKey(CallInst *Call,  in computeBaseAndAccessKey()  argument
861   while (Call) {  in computeBaseAndAccessKey()
862     CallStack.push(std::make_pair(Call, CInfo));  in computeBaseAndAccessKey()
863     CInfo = AIChain[Call].second;  in computeBaseAndAccessKey()
864     Call = AIChain[Call].first;  in computeBaseAndAccessKey()
882     Call = StackElem.first;  in computeBaseAndAccessKey()
1008 MDNode *BPFAbstractMemberAccess::computeAccessKey(CallInst *Call,  in computeAccessKey()  argument
1032         cast<GlobalVariable>(Call->getArgOperand(1)->stripPointerCasts());  in computeAccessKey()
1073 bool BPFAbstractMemberAccess::transformGEPChain(CallInst *Call,  in transformGEPChain()  argument
1082     TypeMeta = computeAccessKey(Call, CInfo, AccessKey, IsInt32Ret);  in transformGEPChain()
1084     Base = computeBaseAndAccessKey(Call, CInfo, AccessKey, TypeMeta);  in transformGEPChain()
1089   BasicBlock *BB = Call->getParent();  in transformGEPChain()
1112       LDInst = new LoadInst(Type::getInt32Ty(BB->getContext()), GV, "", Call);  in transformGEPChain()
1114       LDInst = new LoadInst(Type::getInt64Ty(BB->getContext()), GV, "", Call);  in transformGEPChain()
1117         BPFCoreSharedInfo::insertPassThrough(M, BB, LDInst, Call);  in transformGEPChain()
1118     Call->replaceAllUsesWith(PassThroughInst);  in transformGEPChain()
1119     Call->eraseFromParent();  in transformGEPChain()
1134   auto *LDInst = new LoadInst(Type::getInt64Ty(BB->getContext()), GV, "", Call);  in transformGEPChain()
1138   BB->getInstList().insert(Call->getIterator(), BCInst);  in transformGEPChain()
1143   BB->getInstList().insert(Call->getIterator(), GEP);  in transformGEPChain()
1146   auto *BCInst2 = new BitCastInst(GEP, Call->getType());  in transformGEPChain()
1147   BB->getInstList().insert(Call->getIterator(), BCInst2);  in transformGEPChain()
1195       BPFCoreSharedInfo::insertPassThrough(M, BB, BCInst2, Call);  in transformGEPChain()
1196   Call->replaceAllUsesWith(PassThroughInst);  in transformGEPChain()
1197   Call->eraseFromParent();  in transformGEPChain()