/// getFunctionInfo - Return the LibCallFunctionInfo object corresponding to
/// the specified function if we have it. If not, return null.
/// getFunctionInfo - Return the LibCallFunctionInfo object corresponding to
/// the specified function if we have it. If not, return null.
StringMap<const LibCallFunctionInfo*> *Map = getMap(Impl);
/// If this is the first time we are querying for this info, lazily construct
StringMap<const LibCallFunctionInfo*> *Map = getMap(Impl);
/// If this is the first time we are querying for this info, lazily construct