llvm::Record *FunctionSpec = NameSpecPair.second;
llvm::Record *RetValSpec = FunctionSpec->getValueAsDef("Return");
llvm::Record *ReturnType = RetValSpec->getValueAsDef("ReturnType");
- OS << "extern \"C\" " << Indexer.getTypeAsString(ReturnType) << " "
- << FunctionName << "(";
+ std::string ReturnTypeString = Indexer.getTypeAsString(ReturnType);
+ bool ShouldReturn = true;
+ // We are generating C wrappers in C++ code. So, we should convert the C
+ // _Noreturn to the C++ [[noreturn]].
+ llvm::StringRef NR("_Noreturn "); // Note the space after _Noreturn
+ llvm::StringRef RT(ReturnTypeString);
+ if (RT.startswith(NR)) {
+ RT = RT.drop_front(NR.size() - 1); // - 1 because of the space.
+ ReturnTypeString = std::string("[[noreturn]]") + std::string(RT);
+ ShouldReturn = false;
+ }
+ OS << "extern \"C\" " << ReturnTypeString << " " << FunctionName << "(";
auto ArgsList = FunctionSpec->getValueAsListOfDefs("Args");
std::stringstream CallArgs;
// match the standard types. Either handle such differences here, or
// avoid such a thing in the implementations.
OS << ") {\n"
- << " return __llvm_libc::" << FunctionName << "(" << CallArgs.str()
- << ");\n"
+ << " " << (ShouldReturn ? "return " : "")
+ << "__llvm_libc::" << FunctionName << "(" << CallArgs.str() << ");\n"
<< "}\n";
return false;