87 static void addNonNullAttribute(CallSite CS, Value *Op) {  in addNonNullAttribute()  argument
89   for (auto &I : CS.args()) {  in addNonNullAttribute()
91       CS.addParamAttr(ArgNo, Attribute::NonNull);  in addNonNullAttribute()
96 static void setConstantInArgument(CallSite CS, Value *Op,  in setConstantInArgument()  argument
99   for (auto &I : CS.args()) {  in setConstantInArgument()
103       CS.removeParamAttr(ArgNo, Attribute::NonNull);  in setConstantInArgument()
104       CS.setArgument(ArgNo, ConstValue);  in setConstantInArgument()
110 static bool isCondRelevantToAnyCallArgument(ICmpInst *Cmp, CallSite CS) {  in isCondRelevantToAnyCallArgument()  argument
114   for (CallSite::arg_iterator I = CS.arg_begin(), E = CS.arg_end(); I != E;  in isCondRelevantToAnyCallArgument()
117     if (isa<Constant>(*I) || CS.paramHasAttr(ArgNo, Attribute::NonNull))  in isCondRelevantToAnyCallArgument()
131 static void recordCondition(CallSite CS, BasicBlock *From, BasicBlock *To,  in recordCondition()  argument
144     if (isCondRelevantToAnyCallArgument(Cmp, CS))  in recordCondition()
154 static void recordConditions(CallSite CS, BasicBlock *Pred,  in recordConditions()  argument
161     recordCondition(CS, From, To, Conditions);  in recordConditions()
167 static void addConditions(CallSite CS, const ConditionsTy &Conditions) {  in addConditions()  argument
172       setConstantInArgument(CS, Arg, ConstVal);  in addConditions()
175       addNonNullAttribute(CS, Arg);  in addConditions()
186 static bool canSplitCallSite(CallSite CS, TargetTransformInfo &TTI) {  in canSplitCallSite()  argument
189   Instruction *Instr = CS.getInstruction();  in canSplitCallSite()
303     CallSite CS,  in splitCallSite()  argument
306   Instruction *Instr = CS.getInstruction();  in splitCallSite()
308   bool IsMustTailCall = CS.isMustTailCall();  in splitCallSite()
341       for (auto &CI : CS.args()) {  in splitCallSite()
417 static bool isPredicatedOnPHI(CallSite CS) {  in isPredicatedOnPHI()  argument
418   Instruction *Instr = CS.getInstruction();  in isPredicatedOnPHI()
425       for (auto &I : CS.args())  in isPredicatedOnPHI()
447 static PredsWithCondsTy shouldSplitOnPHIPredicatedArgument(CallSite CS) {  in shouldSplitOnPHIPredicatedArgument()  argument
448   if (!isPredicatedOnPHI(CS))  in shouldSplitOnPHIPredicatedArgument()
451   auto Preds = getTwoPredecessors(CS.getInstruction()->getParent());  in shouldSplitOnPHIPredicatedArgument()
458 static PredsWithCondsTy shouldSplitOnPredicatedArgument(CallSite CS,  in shouldSplitOnPredicatedArgument()  argument
460   auto Preds = getTwoPredecessors(CS.getInstruction()->getParent());  in shouldSplitOnPredicatedArgument()
469   auto *CSDTNode = DTU.getDomTree().getNode(CS.getInstruction()->getParent());  in shouldSplitOnPredicatedArgument()
476     recordCondition(CS, Pred, CS.getInstruction()->getParent(), Conditions);  in shouldSplitOnPredicatedArgument()
478     recordConditions(CS, Pred, Conditions, StopAt);  in shouldSplitOnPredicatedArgument()
490 static bool tryToSplitCallSite(CallSite CS, TargetTransformInfo &TTI,  in tryToSplitCallSite()  argument
493   if (!CS.arg_size() || !canSplitCallSite(CS, TTI))  in tryToSplitCallSite()
496   auto PredsWithConds = shouldSplitOnPredicatedArgument(CS, DTU);  in tryToSplitCallSite()
498     PredsWithConds = shouldSplitOnPHIPredicatedArgument(CS);  in tryToSplitCallSite()
502   splitCallSite(CS, PredsWithConds, DTU);  in tryToSplitCallSite()
521       CallSite CS(cast<Value>(I));  in doCallSiteSplitting()  local
522       if (!CS || isa<IntrinsicInst>(I) || isInstructionTriviallyDead(I, &TLI))  in doCallSiteSplitting()
525       Function *Callee = CS.getCalledFunction();  in doCallSiteSplitting()
531       bool IsMustTail = CS.isMustTailCall();  in doCallSiteSplitting()
533       Changed |= tryToSplitCallSite(CS, TTI, DTU);  in doCallSiteSplitting()