154   void traceAICall(CallInst *Call, CallInfo &ParentInfo);
161   bool IsPreserveDIAccessIndexCall(const CallInst *Call, CallInfo &Cinfo);
174   Value *computeBaseAndAccessKey(CallInst *Call, CallInfo &CInfo,
176   MDNode *computeAccessKey(CallInst *Call, CallInfo &CInfo,
179   bool transformGEPChain(CallInst *Call, CallInfo &CInfo);
271 static Type *getBaseElementType(const CallInst *Call) {  in getBaseElementType()  argument
273   return Call->getAttributes().getParamElementType(0);  in getBaseElementType()
277 bool BPFAbstractMemberAccess::IsPreserveDIAccessIndexCall(const CallInst *Call,  in IsPreserveDIAccessIndexCall()  argument
279   if (!Call)  in IsPreserveDIAccessIndexCall()
282   const auto *GV = dyn_cast<GlobalValue>(Call->getCalledOperand());  in IsPreserveDIAccessIndexCall()
287     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
290     CInfo.AccessIndex = getConstant(Call->getArgOperand(2));  in IsPreserveDIAccessIndexCall()
291     CInfo.Base = Call->getArgOperand(0);  in IsPreserveDIAccessIndexCall()
292     CInfo.RecordAlignment = DL->getABITypeAlign(getBaseElementType(Call));  in IsPreserveDIAccessIndexCall()
297     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
300     CInfo.AccessIndex = getConstant(Call->getArgOperand(1));  in IsPreserveDIAccessIndexCall()
301     CInfo.Base = Call->getArgOperand(0);  in IsPreserveDIAccessIndexCall()
308     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
311     CInfo.AccessIndex = getConstant(Call->getArgOperand(2));  in IsPreserveDIAccessIndexCall()
312     CInfo.Base = Call->getArgOperand(0);  in IsPreserveDIAccessIndexCall()
313     CInfo.RecordAlignment = DL->getABITypeAlign(getBaseElementType(Call));  in IsPreserveDIAccessIndexCall()
320     uint64_t InfoKind = getConstant(Call->getArgOperand(1));  in IsPreserveDIAccessIndexCall()
328     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
331     uint64_t Flag = getConstant(Call->getArgOperand(1));  in IsPreserveDIAccessIndexCall()
342     CInfo.Metadata = Call->getMetadata(LLVMContext::MD_preserve_access_index);  in IsPreserveDIAccessIndexCall()
345     uint64_t Flag = getConstant(Call->getArgOperand(2));  in IsPreserveDIAccessIndexCall()
361   for (auto Call : CallList) {  in replaceWithGEP()  local
364       Dimension = getConstant(Call->getArgOperand(DimensionIndex));  in replaceWithGEP()
367         ConstantInt::get(Type::getInt32Ty(Call->getParent()->getContext()), 0);  in replaceWithGEP()
371     IdxList.push_back(Call->getArgOperand(GEPIndex));  in replaceWithGEP()
374         getBaseElementType(Call), Call->getArgOperand(0), IdxList, "", Call);  in replaceWithGEP()
375     Call->replaceAllUsesWith(GEP);  in replaceWithGEP()
376     Call->eraseFromParent();  in replaceWithGEP()
388       auto *Call = dyn_cast<CallInst>(&I);  in removePreserveAccessIndexIntrinsic()  local
390       if (!IsPreserveDIAccessIndexCall(Call, CInfo))  in removePreserveAccessIndexIntrinsic()
395         PreserveArrayIndexCalls.push_back(Call);  in removePreserveAccessIndexIntrinsic()
397         PreserveUnionIndexCalls.push_back(Call);  in removePreserveAccessIndexIntrinsic()
399         PreserveStructIndexCalls.push_back(Call);  in removePreserveAccessIndexIntrinsic()
414   for (auto Call : PreserveUnionIndexCalls) {  in removePreserveAccessIndexIntrinsic()  local
415     Call->replaceAllUsesWith(Call->getArgOperand(0));  in removePreserveAccessIndexIntrinsic()
416     Call->eraseFromParent();  in removePreserveAccessIndexIntrinsic()
474 void BPFAbstractMemberAccess::traceAICall(CallInst *Call,  in traceAICall()  argument
476   for (User *U : Call->users()) {  in traceAICall()
482       traceBitCast(BI, Call, ParentInfo);  in traceAICall()
489         AIChain[CI] = std::make_pair(Call, ParentInfo);  in traceAICall()
492         BaseAICalls[Call] = ParentInfo;  in traceAICall()
496         traceGEP(GI, Call, ParentInfo);  in traceAICall()
498         BaseAICalls[Call] = ParentInfo;  in traceAICall()
500       BaseAICalls[Call] = ParentInfo;  in traceAICall()
573       auto *Call = dyn_cast<CallInst>(&I);  in collectAICallChains()  local
574       if (!IsPreserveDIAccessIndexCall(Call, CInfo) ||  in collectAICallChains()
575           AIChain.find(Call) != AIChain.end())  in collectAICallChains()
578       traceAICall(Call, CInfo);  in collectAICallChains()
761 Value *BPFAbstractMemberAccess::computeBaseAndAccessKey(CallInst *Call,  in computeBaseAndAccessKey()  argument
770   while (Call) {  in computeBaseAndAccessKey()
771     CallStack.push(std::make_pair(Call, CInfo));  in computeBaseAndAccessKey()
772     CInfo = AIChain[Call].second;  in computeBaseAndAccessKey()
773     Call = AIChain[Call].first;  in computeBaseAndAccessKey()
791     Call = StackElem.first;  in computeBaseAndAccessKey()
917 MDNode *BPFAbstractMemberAccess::computeAccessKey(CallInst *Call,  in computeAccessKey()  argument
936     const auto *CE = cast<ConstantExpr>(Call->getArgOperand(1));  in computeAccessKey()
978 bool BPFAbstractMemberAccess::transformGEPChain(CallInst *Call,  in transformGEPChain()  argument
987     TypeMeta = computeAccessKey(Call, CInfo, AccessKey, IsInt32Ret);  in transformGEPChain()
989     Base = computeBaseAndAccessKey(Call, CInfo, AccessKey, TypeMeta);  in transformGEPChain()
994   BasicBlock *BB = Call->getParent();  in transformGEPChain()
1017       LDInst = new LoadInst(Type::getInt32Ty(BB->getContext()), GV, "", Call);  in transformGEPChain()
1019       LDInst = new LoadInst(Type::getInt64Ty(BB->getContext()), GV, "", Call);  in transformGEPChain()
1022         BPFCoreSharedInfo::insertPassThrough(M, BB, LDInst, Call);  in transformGEPChain()
1023     Call->replaceAllUsesWith(PassThroughInst);  in transformGEPChain()
1024     Call->eraseFromParent();  in transformGEPChain()
1039   auto *LDInst = new LoadInst(Type::getInt64Ty(BB->getContext()), GV, "", Call);  in transformGEPChain()
1043   BB->getInstList().insert(Call->getIterator(), BCInst);  in transformGEPChain()
1048   BB->getInstList().insert(Call->getIterator(), GEP);  in transformGEPChain()
1051   auto *BCInst2 = new BitCastInst(GEP, Call->getType());  in transformGEPChain()
1052   BB->getInstList().insert(Call->getIterator(), BCInst2);  in transformGEPChain()
1100       BPFCoreSharedInfo::insertPassThrough(M, BB, BCInst2, Call);  in transformGEPChain()
1101   Call->replaceAllUsesWith(PassThroughInst);  in transformGEPChain()
1102   Call->eraseFromParent();  in transformGEPChain()