C++ (Cpp) IRGenMangler::mangleOutlinedDestroyFunction Examples

Example #1

File: Outlining.cpp Project: XLsn0wKit/swift

llvm::Constant *IRGenModule::getOrCreateOutlinedDestroyFunction(
                              SILType T, const TypeInfo &ti,
                              const OutliningMetadataCollector &collector) {
  IRGenMangler mangler;
  auto manglingBits = getTypeAndGenericSignatureForManglingOutlineFunction(T);
  auto funcName = mangler.mangleOutlinedDestroyFunction(manglingBits.first,
                                                        manglingBits.second);

  auto ptrTy = ti.getStorageType()->getPointerTo();
  llvm::SmallVector<llvm::Type *, 4> paramTys;
  paramTys.push_back(ptrTy);
  collector.addMetadataParameterTypes(paramTys);

  return getOrCreateHelperFunction(funcName, ptrTy, paramTys,
      [&](IRGenFunction &IGF) {
        Explosion params = IGF.collectParameters();
        Address addr = ti.getAddressForPointer(params.claimNext());
        collector.bindMetadataParameters(IGF, params);

        ti.destroy(IGF, addr, T, true);
        
        IGF.Builder.CreateRet(addr.getAddress());
      },
      true /*setIsNoInline*/);
}