Function count_functions

test/reduce/remove_function_test.cpp:27–34

Helper to count the number of functions in the module. Remove if there turns out to be a more direct way to do this.

// Helper to count the number of functions in the module.
// Remove if there turns out to be a more direct way to do this.
uint32_t count_functions(opt::IRContext* context) {
  uint32_t result = 0;
  for (auto& function : *context->module()) {
    (void)(function);
    ++result;
  }
  return result;
}

TEST(RemoveFunctionTest, BasicCheck) {
  std::string shader = R"(