old_contents: #!/usr/bin/env python3
  
  import argparse
  import os
  import shutil
  import subprocess
  
  
  def perform_build(args, swiftbuild_path, config, binary_name, opt_flag):
      assert config in ["debug", "release"]
      assert binary_name in ["Benchmark_O", "Benchmark_Osize", "Benchmark_Onone"]
      assert opt_flag in ["-O", "-Osize", "-Onone"]
  
      inner_build_dir = os.path.join(args.build_path, binary_name)
      swiftbuild_args = [
          swiftbuild_path,
          "--package-path",
          args.package_path,
          "--build-path",
          inner_build_dir,
          "--configuration",
          config,
          "-Xswiftc",
          "-Xllvm",
          "-Xswiftc",
          "-align-module-to-page-size",
          "-Xswiftc",
          opt_flag,
      ]
      if args.verbose:
          swiftbuild_args.append("--verbose")
      subprocess.call(swiftbuild_args)
  
      # Copy the benchmark file into the final ./bin directory.
      binpath = os.path.join(inner_build_dir, config, "SwiftBench")
      finalpath = os.path.join(args.build_path, "bin", binary_name)
      shutil.copy(binpath, finalpath)
  
  
  def main():
      parser = argparse.ArgumentParser()
      parser.add_argument("--verbose", "-v", action="store_true")
      parser.add_argument("--package-path", type=str, required=True)
      parser.add_argument("--build-path", type=str, required=True)
      parser.add_argument("--toolchain", type=str, required=True)
  
      args = parser.parse_args()
  
      # Create our bin directory so we can copy in the binaries.
      bin_dir = os.path.join(args.build_path, "bin")
      if not os.path.isdir(bin_dir):
          os.makedirs(bin_dir)
  
      swiftbuild_path = os.path.join(args.toolchain, "usr", "bin", "swift-build")
      perform_build(args, swiftbuild_path, "debug", "Benchmark_Onone", "-Onone")
      perform_build(args, swiftbuild_path, "release", "Benchmark_Osize", "-Osize")
      perform_build(args, swiftbuild_path, "release", "Benchmark_O", "-O")
  
  
  if __name__ == "__main__":
      main()
  
new_contents: #!/usr/bin/env python3
  
  import argparse
  import os
  import shutil
  import subprocess
  
  
  def perform_build(args, swiftbuild_path, config, binary_name, opt_flag):
      assert config in ["debug", "release"]
      assert binary_name in ["Benchmark_O", "Benchmark_Osize", "Benchmark_Onone"]
      assert opt_flag in ["-O", "-Osize", "-Onone"]
  
      inner_build_dir = os.path.join(args.build_path, binary_name)
      swiftbuild_args = [
          swiftbuild_path,
          "--package-path",
          args.package_path,
          "--scratch-path",
          inner_build_dir,
          "--configuration",
          config,
          "-Xswiftc",
          "-Xllvm",
          "-Xswiftc",
          "-align-module-to-page-size",
          "-Xswiftc",
          opt_flag,
      ]
      if args.verbose:
          swiftbuild_args.append("--verbose")
      subprocess.call(swiftbuild_args)
  
      # Copy the benchmark file into the final ./bin directory.
      binpath = os.path.join(inner_build_dir, config, "SwiftBench")
      finalpath = os.path.join(args.build_path, "bin", binary_name)
      shutil.copy(binpath, finalpath)
  
  
  def main():
      parser = argparse.ArgumentParser()
      parser.add_argument("--verbose", "-v", action="store_true")
      parser.add_argument("--package-path", type=str, required=True)
      parser.add_argument("--build-path", type=str, required=True)
      parser.add_argument("--toolchain", type=str, required=True)
  
      args = parser.parse_args()
  
      # Create our bin directory so we can copy in the binaries.
      bin_dir = os.path.join(args.build_path, "bin")
      if not os.path.isdir(bin_dir):
          os.makedirs(bin_dir)
  
      swiftbuild_path = os.path.join(args.toolchain, "usr", "bin", "swift-build")
      perform_build(args, swiftbuild_path, "debug", "Benchmark_Onone", "-Onone")
      perform_build(args, swiftbuild_path, "release", "Benchmark_Osize", "-Osize")
      perform_build(args, swiftbuild_path, "release", "Benchmark_O", "-O")
  
  
  if __name__ == "__main__":
      main()
  
subject: Remove use of deprecated option