C++ (Cpp) IRGenMangler::mangleOutlinedRetainFunction Examples

Example #1

File: Outlining.cpp Project: XLsn0wKit/swift

llvm::Constant *IRGenModule::getOrCreateRetainFunction(const TypeInfo &ti,
                                                       SILType t,
                                                       llvm::Type *llvmType) {
  auto *loadableTI = cast<LoadableTypeInfo>(&ti);
  IRGenMangler mangler;
  auto manglingBits =
    getTypeAndGenericSignatureForManglingOutlineFunction(t);
  auto funcName = mangler.mangleOutlinedRetainFunction(manglingBits.first,
                                                       manglingBits.second);
  llvm::Type *argTys[] = {llvmType};
  return getOrCreateHelperFunction(
      funcName, llvmType, argTys,
      [&](IRGenFunction &IGF) {
        auto it = IGF.CurFn->arg_begin();
        Address addr(&*it++, loadableTI->getFixedAlignment());
        Explosion loaded;
        loadableTI->loadAsTake(IGF, addr, loaded);
        Explosion out;
        loadableTI->copy(IGF, loaded, out, irgen::Atomicity::Atomic);
        (void)out.claimAll();
        IGF.Builder.CreateRet(addr.getAddress());
      },
      true /*setIsNoInline*/);
}