89 bool isMustTailCalleeAnalyzable(const CallBase &CB) {  in isMustTailCalleeAnalyzable()  argument
90   assert(CB.isMustTailCall());  in isMustTailCalleeAnalyzable()
91   return CB.getCalledFunction() && !CB.getCalledFunction()->isDeclaration();  in isMustTailCalleeAnalyzable()
184     CallBase *CB = dyn_cast<CallBase>(U);  in deleteDeadVarargs()  local
185     if (!CB)  in deleteDeadVarargs()
189     Args.assign(CB->arg_begin(), CB->arg_begin() + NumArgs);  in deleteDeadVarargs()
192     AttributeList PAL = CB->getAttributes();  in deleteDeadVarargs()
202     CB->getOperandBundlesAsDefs(OpBundles);  in deleteDeadVarargs()
205     if (InvokeInst *II = dyn_cast<InvokeInst>(CB)) {  in deleteDeadVarargs()
207                                  Args, OpBundles, "", CB->getIterator());  in deleteDeadVarargs()
209       NewCB = CallInst::Create(NF, Args, OpBundles, "", CB->getIterator());  in deleteDeadVarargs()
211           cast<CallInst>(CB)->getTailCallKind());  in deleteDeadVarargs()
213     NewCB->setCallingConv(CB->getCallingConv());  in deleteDeadVarargs()
215     NewCB->copyMetadata(*CB, {LLVMContext::MD_prof, LLVMContext::MD_dbg});  in deleteDeadVarargs()
219     if (!CB->use_empty())  in deleteDeadVarargs()
220       CB->replaceAllUsesWith(NewCB);  in deleteDeadVarargs()
222     NewCB->takeName(CB);  in deleteDeadVarargs()
226     CB->eraseFromParent();  in deleteDeadVarargs()
316     CallBase *CB = dyn_cast<CallBase>(U.getUser());  in removeDeadArgumentsFromCallers()  local
317     if (!CB || !CB->isCallee(&U) ||  in removeDeadArgumentsFromCallers()
318         CB->getFunctionType() != F.getFunctionType())  in removeDeadArgumentsFromCallers()
323       Value *Arg = CB->getArgOperand(ArgNo);  in removeDeadArgumentsFromCallers()
324       CB->setArgOperand(ArgNo, PoisonValue::get(Arg->getType()));  in removeDeadArgumentsFromCallers()
325       CB->removeParamAttrs(ArgNo, UBImplyingAttributes);  in removeDeadArgumentsFromCallers()
435   if (const auto *CB = dyn_cast<CallBase>(V)) {  in surveyUse()  local
436     const Function *F = CB->getCalledFunction();  in surveyUse()
441       if (CB->isBundleOperand(U))  in surveyUse()
448       unsigned ArgNo = CB->getArgOperandNo(U);  in surveyUse()
454       assert(CB->getArgOperand(ArgNo) == CB->getOperand(U->getOperandNo()) &&  in surveyUse()
563     const auto *CB = dyn_cast<CallBase>(U.getUser());  in surveyFunction()  local
564     if (!CB || !CB->isCallee(&U) ||  in surveyFunction()
565         CB->getFunctionType() != F.getFunctionType()) {  in surveyFunction()
572     if (CB->isMustTailCall())  in surveyFunction()
583     for (const Use &UU : CB->uses()) {  in surveyFunction()
885     CallBase &CB = cast<CallBase>(*F->user_back());  in removeDeadStuffFromFunction()  local
888     const AttributeList &CallPAL = CB.getAttributes();  in removeDeadStuffFromFunction()
898     auto *I = CB.arg_begin();  in removeDeadStuffFromFunction()
923     for (auto *E = CB.arg_end(); I != E; ++I, ++Pi) {  in removeDeadStuffFromFunction()
940     CB.getOperandBundlesAsDefs(OpBundles);  in removeDeadStuffFromFunction()
943     if (InvokeInst *II = dyn_cast<InvokeInst>(&CB)) {  in removeDeadStuffFromFunction()
945                                  Args, OpBundles, "", CB.getParent());  in removeDeadStuffFromFunction()
947       NewCB = CallInst::Create(NFTy, NF, Args, OpBundles, "", CB.getIterator());  in removeDeadStuffFromFunction()
949           cast<CallInst>(&CB)->getTailCallKind());  in removeDeadStuffFromFunction()
951     NewCB->setCallingConv(CB.getCallingConv());  in removeDeadStuffFromFunction()
953     NewCB->copyMetadata(CB, {LLVMContext::MD_prof, LLVMContext::MD_dbg});  in removeDeadStuffFromFunction()
957     if (!CB.use_empty() || CB.isUsedByMetadata()) {  in removeDeadStuffFromFunction()
958       if (NewCB->getType() == CB.getType()) {  in removeDeadStuffFromFunction()
960         CB.replaceAllUsesWith(NewCB);  in removeDeadStuffFromFunction()
961         NewCB->takeName(&CB);  in removeDeadStuffFromFunction()
965         if (!CB.getType()->isX86_MMXTy())  in removeDeadStuffFromFunction()
966           CB.replaceAllUsesWith(PoisonValue::get(CB.getType()));  in removeDeadStuffFromFunction()
971         Instruction *InsertPt = &CB;  in removeDeadStuffFromFunction()
972         if (InvokeInst *II = dyn_cast<InvokeInst>(&CB)) {  in removeDeadStuffFromFunction()
1000         CB.replaceAllUsesWith(RetVal);  in removeDeadStuffFromFunction()
1001         NewCB->takeName(&CB);  in removeDeadStuffFromFunction()
1007     CB.eraseFromParent();  in removeDeadStuffFromFunction()
1108         if (const auto *CB = dyn_cast<CallBase>(U))  in propagateVirtMustcallLiveness()  local
1109           if (CB->isMustTailCall())  in propagateVirtMustcallLiveness()
1110             if (!LiveFunctions.count(CB->getParent()->getParent()))  in propagateVirtMustcallLiveness()
1111               Temp.insert(CB->getParent()->getParent());  in propagateVirtMustcallLiveness()