Method CreateObjCache

be/src/codegen/llvm-codegen-cache-test.cc:177–204

The function is to create and return a CodeGenObjectCache which contains a specific compiled codegened function.

// The function is to create and return a CodeGenObjectCache which contains a specific
// compiled codegened function.
shared_ptr<CodeGenObjectCache> LlvmCodeGenCacheTest::CreateObjCache(
    bool is_double, string* module_id) {
  scoped_ptr<LlvmCodeGen> codegen;
  shared_ptr<CodeGenObjectCache> engine_cache = make_shared<CodeGenObjectCache>();
  EXPECT_TRUE(
      LlvmCodeGen::CreateImpalaCodegen(fragment_state_, nullptr, "test", &codegen).ok());
  string m_id;
  if (is_double) {
    AddLlvmCodegenDouble(codegen.get(), nullptr, false /*doFinalizeModule*/);
    m_id = "module_double";
  } else {
    AddLlvmCodegenEcho(codegen.get(), nullptr, false /*doFinalizeModule*/);
    m_id = "module_echo";
  }
  EXPECT_TRUE(codegen->FinalizeLazyMaterialization().ok());
  codegen->PruneModule();
  EXPECT_TRUE(codegen->OptimizeModule().ok());
  codegen->module_->setModuleIdentifier(m_id);
  codegen->engine_cache_ = engine_cache;
  codegen->execution_engine()->setObjectCache(engine_cache.get());
  codegen->execution_engine()->finalizeObject();
  CheckObjCacheExists(codegen.get());
  codegen->DestroyModule();
  CheckResult(codegen.get(), is_double);
  codegen->Close();
  if (module_id != nullptr) *module_id = m_id;
  return engine_cache;
}

void LlvmCodeGenCacheTest::AddLlvmCodegenEcho(
    LlvmCodeGen* codegen, string* module_id = nullptr, bool doFinalizeModule = true) {