Method create_global_variable_map

deps/GraphBLAS/CUDA/jitify.hpp:1214–1234

create a map of __constant__ and __device__ variables in the ptx file mapping demangled to mangled name

  // create a map of __constant__ and __device__ variables in the ptx file
  // mapping demangled to mangled name
  inline void create_global_variable_map() {
    size_t pos = 0;
    while (pos < _ptx.size()) {
      pos = std::min(_ptx.find(".const .align", pos),
                     _ptx.find(".global .align", pos));
      if (pos == std::string::npos) break;
      size_t end = _ptx.find_first_of(";=", pos);
      if (_ptx[end] == '=') --end;
      std::string line = _ptx.substr(pos, end - pos);
      pos = end;
      size_t symbol_start = line.find_last_of(" ") + 1;
      size_t symbol_end = line.find_last_of("[");
      std::string entry = line.substr(symbol_start, symbol_end - symbol_start);
      std::string key = detail::demangle_ptx_variable_name(entry.c_str());
      // Skip unsupported mangled names. E.g., a static variable defined inside
      // a function (such variables are not directly addressable from outside
      // the function, so skipping them is the correct behavior).
      if (key == "") continue;
      _global_map[key] = entry;
    }
  }

  inline void set_linker_log() {
#ifdef JITIFY_PRINT_LINKER_LOG