178     CallSite CS(*I++);  in DeleteDeadVarargs()  local
179     if (!CS)  in DeleteDeadVarargs()
181     Instruction *Call = CS.getInstruction();  in DeleteDeadVarargs()
184     Args.assign(CS.arg_begin(), CS.arg_begin() + NumArgs);  in DeleteDeadVarargs()
187     AttributeList PAL = CS.getAttributes();  in DeleteDeadVarargs()
197     CS.getOperandBundlesAsDefs(OpBundles);  in DeleteDeadVarargs()
208     NewCS.setCallingConv(CS.getCallingConv());  in DeleteDeadVarargs()
307     CallSite CS(U.getUser());  in RemoveDeadArgumentsFromCallers()  local
308     if (!CS || !CS.isCallee(&U))  in RemoveDeadArgumentsFromCallers()
315       Value *Arg = CS.getArgument(ArgNo);  in RemoveDeadArgumentsFromCallers()
316       CS.setArgument(ArgNo, UndefValue::get(Arg->getType()));  in RemoveDeadArgumentsFromCallers()
427     if (auto CS = ImmutableCallSite(V)) {  in SurveyUse()  local
428       const Function *F = CS.getCalledFunction();  in SurveyUse()
433         if (CS.isBundleOperand(U))  in SurveyUse()
440         unsigned ArgNo = CS.getArgumentNo(U);  in SurveyUse()
446         assert(CS.getArgument(ArgNo)  in SurveyUse()
447                == CS->getOperand(U->getOperandNo())  in SurveyUse()
558     ImmutableCallSite CS(U.getUser());  in SurveyFunction()  local
559     if (!CS || !CS.isCallee(&U)) {  in SurveyFunction()
566     if (CS.isMustTailCall())  in SurveyFunction()
570     const Instruction *TheCall = CS.getInstruction();  in SurveyFunction()
879     CallSite CS(F->user_back());  in RemoveDeadStuffFromFunction()  local
880     Instruction *Call = CS.getInstruction();  in RemoveDeadStuffFromFunction()
883     const AttributeList &CallPAL = CS.getAttributes();  in RemoveDeadStuffFromFunction()
893     CallSite::arg_iterator I = CS.arg_begin();  in RemoveDeadStuffFromFunction()
918     for (CallSite::arg_iterator E = CS.arg_end(); I != E; ++I, ++i) {  in RemoveDeadStuffFromFunction()
935     CS.getOperandBundlesAsDefs(OpBundles);  in RemoveDeadStuffFromFunction()
946     NewCS.setCallingConv(CS.getCallingConv());  in RemoveDeadStuffFromFunction()