177     CallBase *CB = dyn_cast<CallBase>(U);  in deleteDeadVarargs()  local
178     if (!CB)  in deleteDeadVarargs()
182     Args.assign(CB->arg_begin(), CB->arg_begin() + NumArgs);  in deleteDeadVarargs()
185     AttributeList PAL = CB->getAttributes();  in deleteDeadVarargs()
195     CB->getOperandBundlesAsDefs(OpBundles);  in deleteDeadVarargs()
198     if (InvokeInst *II = dyn_cast<InvokeInst>(CB)) {  in deleteDeadVarargs()
200                                  Args, OpBundles, "", CB);  in deleteDeadVarargs()
202       NewCB = CallInst::Create(NF, Args, OpBundles, "", CB);  in deleteDeadVarargs()
204           cast<CallInst>(CB)->getTailCallKind());  in deleteDeadVarargs()
206     NewCB->setCallingConv(CB->getCallingConv());  in deleteDeadVarargs()
208     NewCB->copyMetadata(*CB, {LLVMContext::MD_prof, LLVMContext::MD_dbg});  in deleteDeadVarargs()
212     if (!CB->use_empty())  in deleteDeadVarargs()
213       CB->replaceAllUsesWith(NewCB);  in deleteDeadVarargs()
215     NewCB->takeName(CB);  in deleteDeadVarargs()
219     CB->eraseFromParent();  in deleteDeadVarargs()
309     CallBase *CB = dyn_cast<CallBase>(U.getUser());  in removeDeadArgumentsFromCallers()  local
310     if (!CB || !CB->isCallee(&U) ||  in removeDeadArgumentsFromCallers()
311         CB->getFunctionType() != F.getFunctionType())  in removeDeadArgumentsFromCallers()
318       Value *Arg = CB->getArgOperand(ArgNo);  in removeDeadArgumentsFromCallers()
319       CB->setArgOperand(ArgNo, PoisonValue::get(Arg->getType()));  in removeDeadArgumentsFromCallers()
320       CB->removeParamAttrs(ArgNo, UBImplyingAttributes);  in removeDeadArgumentsFromCallers()
430   if (const auto *CB = dyn_cast<CallBase>(V)) {  in surveyUse()  local
431     const Function *F = CB->getCalledFunction();  in surveyUse()
436       if (CB->isBundleOperand(U))  in surveyUse()
443       unsigned ArgNo = CB->getArgOperandNo(U);  in surveyUse()
449       assert(CB->getArgOperand(ArgNo) == CB->getOperand(U->getOperandNo()) &&  in surveyUse()
550     const auto *CB = dyn_cast<CallBase>(U.getUser());  in surveyFunction()  local
551     if (!CB || !CB->isCallee(&U) ||  in surveyFunction()
552         CB->getFunctionType() != F.getFunctionType()) {  in surveyFunction()
559     if (CB->isMustTailCall())  in surveyFunction()
570     for (const Use &UU : CB->uses()) {  in surveyFunction()
871     CallBase &CB = cast<CallBase>(*F->user_back());  in removeDeadStuffFromFunction()  local
874     const AttributeList &CallPAL = CB.getAttributes();  in removeDeadStuffFromFunction()
884     auto *I = CB.arg_begin();  in removeDeadStuffFromFunction()
909     for (auto *E = CB.arg_end(); I != E; ++I, ++Pi) {  in removeDeadStuffFromFunction()
926     CB.getOperandBundlesAsDefs(OpBundles);  in removeDeadStuffFromFunction()
929     if (InvokeInst *II = dyn_cast<InvokeInst>(&CB)) {  in removeDeadStuffFromFunction()
931                                  Args, OpBundles, "", CB.getParent());  in removeDeadStuffFromFunction()
933       NewCB = CallInst::Create(NFTy, NF, Args, OpBundles, "", &CB);  in removeDeadStuffFromFunction()
935           cast<CallInst>(&CB)->getTailCallKind());  in removeDeadStuffFromFunction()
937     NewCB->setCallingConv(CB.getCallingConv());  in removeDeadStuffFromFunction()
939     NewCB->copyMetadata(CB, {LLVMContext::MD_prof, LLVMContext::MD_dbg});  in removeDeadStuffFromFunction()
943     if (!CB.use_empty() || CB.isUsedByMetadata()) {  in removeDeadStuffFromFunction()
944       if (NewCB->getType() == CB.getType()) {  in removeDeadStuffFromFunction()
946         CB.replaceAllUsesWith(NewCB);  in removeDeadStuffFromFunction()
947         NewCB->takeName(&CB);  in removeDeadStuffFromFunction()
951         if (!CB.getType()->isX86_MMXTy())  in removeDeadStuffFromFunction()
952           CB.replaceAllUsesWith(PoisonValue::get(CB.getType()));  in removeDeadStuffFromFunction()
957         Instruction *InsertPt = &CB;  in removeDeadStuffFromFunction()
958         if (InvokeInst *II = dyn_cast<InvokeInst>(&CB)) {  in removeDeadStuffFromFunction()
986         CB.replaceAllUsesWith(RetVal);  in removeDeadStuffFromFunction()
987         NewCB->takeName(&CB);  in removeDeadStuffFromFunction()
993     CB.eraseFromParent();  in removeDeadStuffFromFunction()