633   uint64_t getAllocaSizeInBytes(const AllocaInst &AI) const {  in getAllocaSizeInBytes()
635     if (AI.isArrayAllocation()) {  in getAllocaSizeInBytes()
636       const ConstantInt *CI = dyn_cast<ConstantInt>(AI.getArraySize());  in getAllocaSizeInBytes()
640     Type *Ty = AI.getAllocatedType();  in getAllocaSizeInBytes()
642         AI.getModule()->getDataLayout().getTypeAllocSize(Ty);  in getAllocaSizeInBytes()
647   bool isInterestingAlloca(const AllocaInst &AI);
858     AllocaInst *AI;  member
977   void handleDynamicAllocaCall(AllocaInst *AI);
980   void visitAllocaInst(AllocaInst &AI) {  in visitAllocaInst()
981     if (!ASan.isInterestingAlloca(AI)) {  in visitAllocaInst()
982       if (AI.isStaticAlloca()) {  in visitAllocaInst()
988         StaticAllocasToMoveUp.push_back(&AI);  in visitAllocaInst()
993     StackAlignment = std::max(StackAlignment, AI.getAlignment());  in visitAllocaInst()
994     if (!AI.isStaticAlloca())  in visitAllocaInst()
995       DynamicAllocaVec.push_back(&AI);  in visitAllocaInst()
997       AllocaVec.push_back(&AI);  in visitAllocaInst()
1021     AllocaInst *AI = findAllocaForValue(II.getArgOperand(1));  in visitIntrinsicInst()  local
1022     if (!AI || !ASan.isInterestingAlloca(*AI))  in visitIntrinsicInst()
1025     AllocaPoisonCall APC = {&II, AI, SizeValue, DoPoison};  in visitIntrinsicInst()
1026     if (AI->isStaticAlloca())  in visitIntrinsicInst()
1191 bool AddressSanitizer::isInterestingAlloca(const AllocaInst &AI) {  in isInterestingAlloca()  argument
1192   auto PreviouslySeenAllocaInfo = ProcessedAllocas.find(&AI);  in isInterestingAlloca()
1198       (AI.getAllocatedType()->isSized() &&  in isInterestingAlloca()
1200        ((!AI.isStaticAlloca()) || getAllocaSizeInBytes(AI) > 0) &&  in isInterestingAlloca()
1203        (!ClSkipPromotableAllocas || !isAllocaPromotable(&AI)) &&  in isInterestingAlloca()
1206        !AI.isUsedWithInAlloca() &&  in isInterestingAlloca()
1208        !AI.isSwiftError());  in isInterestingAlloca()
1210   ProcessedAllocas[&AI] = IsInteresting;  in isInterestingAlloca()
1302     if (auto AI = dyn_cast_or_null<AllocaInst>(PtrOperand))  in isInterestingMemoryAccess()  local
1303       return isInterestingAlloca(*AI) ? AI : nullptr;  in isInterestingMemoryAccess()
2485         AllocaInst *AI = dyn_cast<AllocaInst>(Arg->stripPointerCasts());  in markEscapedLocalAllocas()  local
2486         assert(AI && AI->isStaticAlloca() &&  in markEscapedLocalAllocas()
2488         ProcessedAllocas[AI] = false;  in markEscapedLocalAllocas()
2792       AllocaInst *AI = IRB.CreateAlloca(  in copyArgsPassedByValToAllocas()  local
2796       AI->setAlignment(Align);  in copyArgsPassedByValToAllocas()
2797       Arg.replaceAllUsesWith(AI);  in copyArgsPassedByValToAllocas()
2800       IRB.CreateMemCpy(AI, Align, &Arg, Align, AllocSize);  in copyArgsPassedByValToAllocas()
2852     assert(APC.AI);  in processDynamicAllocas()
2853     assert(ASan.isInterestingAlloca(*APC.AI));  in processDynamicAllocas()
2854     assert(!APC.AI->isStaticAlloca());  in processDynamicAllocas()
2857     poisonAlloca(APC.AI, APC.Size, IRB, APC.DoPoison);  in processDynamicAllocas()
2865   for (auto &AI : DynamicAllocaVec)  in processDynamicAllocas()  local
2866     handleDynamicAllocaCall(AI);  in processDynamicAllocas()
2890   for (auto *AI : StaticAllocasToMoveUp)  in processStaticAllocas()  local
2891     if (AI->getParent() == InsBeforeB)  in processStaticAllocas()
2892       AI->moveBefore(InsBefore);  in processStaticAllocas()
2899   for (AllocaInst *AI : AllocaVec) {  in processStaticAllocas()
2900     ASanStackVariableDescription D = {AI->getName().data(),  in processStaticAllocas()
2901                                       ASan.getAllocaSizeInBytes(*AI),  in processStaticAllocas()
2903                                       AI->getAlignment(),  in processStaticAllocas()
2904                                       AI,  in processStaticAllocas()
2920     AllocaToSVDMap[Desc.AI] = &Desc;  in processStaticAllocas()
2925     assert(APC.AI);  in processStaticAllocas()
2926     assert(ASan.isInterestingAlloca(*APC.AI));  in processStaticAllocas()
2927     assert(APC.AI->isStaticAlloca());  in processStaticAllocas()
2929     ASanStackVariableDescription &Desc = *AllocaToSVDMap[APC.AI];  in processStaticAllocas()
3015     AllocaInst *AI = Desc.AI;  in processStaticAllocas()  local
3016     replaceDbgDeclareForAlloca(AI, LocalStackBaseAlloca, DIB, Deref,  in processStaticAllocas()
3020         AI->getType());  in processStaticAllocas()
3021     AI->replaceAllUsesWith(NewAllocaPtr);  in processStaticAllocas()
3059       const ASanStackVariableDescription &Desc = *AllocaToSVDMap[APC.AI];  in processStaticAllocas()
3127   for (auto AI : AllocaVec) AI->eraseFromParent();  in processStaticAllocas()  local
3150   if (AllocaInst *AI = dyn_cast<AllocaInst>(V))  in findAllocaForValue()  local
3152     return ASan.isInterestingAlloca(*AI) ? AI : nullptr;  in findAllocaForValue()
3183 void FunctionStackPoisoner::handleDynamicAllocaCall(AllocaInst *AI) {  in handleDynamicAllocaCall()  argument
3184   IRBuilder<> IRB(AI);  in handleDynamicAllocaCall()
3186   const unsigned Align = std::max(kAllocaRzSize, AI->getAlignment());  in handleDynamicAllocaCall()
3198       F.getParent()->getDataLayout().getTypeAllocSize(AI->getAllocatedType());  in handleDynamicAllocaCall()
3200       IRB.CreateMul(IRB.CreateIntCast(AI->getArraySize(), IntptrTy, false),  in handleDynamicAllocaCall()
3236   Value *NewAddressPtr = IRB.CreateIntToPtr(NewAddress, AI->getType());  in handleDynamicAllocaCall()
3239   AI->replaceAllUsesWith(NewAddressPtr);  in handleDynamicAllocaCall()
3242   AI->eraseFromParent();  in handleDynamicAllocaCall()