Lines Matching defs:CB

168 static void createRetBitCast(CallBase &CB, Type *RetTy, CastInst **RetBitCast) {
172   SmallVector<User *, 16> UsersToUpdate(CB.users());
177   if (auto *Invoke = dyn_cast<InvokeInst>(&CB))
181     InsertBefore = std::next(CB.getIterator());
184   auto *Cast = CastInst::CreateBitOrPointerCast(&CB, RetTy, "", InsertBefore);
190     U->replaceUsesOfWith(&CB, Cast);
287 static CallBase &versionCallSiteWithCond(CallBase &CB, Value *Cond,
290   IRBuilder<> Builder(&CB);
291   CallBase *OrigInst = &CB;
298         SplitBlockAndInsertIfThen(Cond, &CB, false, BranchWeights);
337   SplitBlockAndInsertIfThenElse(Cond, &CB, &ThenTerm, &ElseTerm, BranchWeights);
381 // Predicate and clone the given call site using condition `CB.callee ==
383 CallBase &llvm::versionCallSite(CallBase &CB, Value *Callee,
386   IRBuilder<> Builder(&CB);
390   if (CB.getCalledOperand()->getType() != Callee->getType())
391     Callee = Builder.CreateBitCast(Callee, CB.getCalledOperand()->getType());
392   auto *Cond = Builder.CreateICmpEQ(CB.getCalledOperand(), Callee);
394   return versionCallSiteWithCond(CB, Cond, BranchWeights);
397 bool llvm::isLegalToPromote(const CallBase &CB, Function *Callee,
399   assert(!CB.getCalledFunction() && "Only indirect call sites can be promoted");
405   Type *CallRetTy = CB.getType();
418   unsigned NumArgs = CB.arg_size();
436         CB.getAttributes().hasParamAttr(I, Attribute::ByVal)) {
442         CB.getAttributes().hasParamAttr(I, Attribute::InAlloca)) {
449     Type *ActualTy = CB.getArgOperand(I)->getType();
460     if (CB.isMustTailCall()) {
473     if (CB.paramHasAttr(I, Attribute::StructRet)) {
483 CallBase &llvm::promoteCall(CallBase &CB, Function *Callee,
485   assert(!CB.getCalledFunction() && "Only indirect call sites can be promoted");
489   CB.setCalledOperand(Callee);
494   CB.setMetadata(LLVMContext::MD_prof, nullptr);
495   CB.setMetadata(LLVMContext::MD_callees, nullptr);
499   if (CB.getFunctionType() == Callee->getFunctionType())
500     return CB;
503   Type *CallSiteRetTy = CB.getType();
507   CB.mutateFunctionType(Callee->getFunctionType());
516   const AttributeList &CallerPAL = CB.getAttributes();
522     auto *Arg = CB.getArgOperand(ArgNo);
527           CastInst::CreateBitOrPointerCast(Arg, FormalTy, "", CB.getIterator());
528       CB.setArgOperand(ArgNo, Cast);
552     createRetBitCast(CB, CallSiteRetTy, RetBitCast);
560     CB.setAttributes(AttributeList::get(Ctx, CallerPAL.getFnAttrs(),
564   return CB;
567 CallBase &llvm::promoteCallWithIfThenElse(CallBase &CB, Function *Callee,
573   CallBase &NewInst = versionCallSite(CB, Callee, BranchWeights);
579 CallBase *llvm::promoteCallWithIfThenElse(CallBase &CB, Function &Callee,
581   assert(CB.isIndirectCall());
584   auto &Caller = *CB.getFunction();
585   auto *CSInstr = CtxProfAnalysis::getCallsiteInstrumentation(CB);
591       versionCallSite(CB, &Callee, /*BranchWeights=*/nullptr), &Callee);
592   CSInstr->moveBefore(CB.getIterator());
599   auto &IndirectBB = *CB.getParent();
664 CallBase &llvm::promoteCallWithVTableCmp(CallBase &CB, Instruction *VPtr,
669   IRBuilder<> Builder(&CB);
679   CallBase &NewInst = versionCallSiteWithCond(CB, Cond, BranchWeights);
685 bool llvm::tryPromoteCall(CallBase &CB) {
686   assert(!CB.getCalledFunction());
687   Module *M = CB.getCaller()->getParent();
689   Value *Callee = CB.getCalledOperand();
733   if (!isLegalToPromote(CB, DirectCallee))
737   promoteCall(CB, DirectCallee);