/*******************************************************************************
 * Copyright IBM Corp. and others 2020
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 *******************************************************************************/

#include "lljb/Module.hpp"
#include "lljb/Compiler.hpp"
#include "lljb/IRVisitor.hpp"
#include "JitBuilder.hpp"

#include "llvm/IR/Module.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/Support/SourceMgr.h"

#include <iostream>

int main(int argc, char * argv[])
   {
   if (argc != 2)
      {
      std::cerr << "Usage: " << argv[0] << " <module.ll>" << std::endl;
      exit(EXIT_FAILURE);
      }

   if (!initializeJit())
      {
      std::cerr << "Failed to initialize JIT" << std::endl;
      exit(EXIT_FAILURE);
      }

   const char * filename = argv[1];
   llvm::LLVMContext context;
   llvm::SMDiagnostic SMDiags;
   lljb::Module module(filename, SMDiags, context);

   lljb::Compiler compiler(&module);
   compiler.compile();

   lljb::JittedFunction jc = compiler.getJittedCodeEntry();
   auto result = jc();
   std::cout << "return value: " << result << std::endl;

   shutdownJit();

   return 0;
   }
