old_contents: # Copyright (c) 2013 NVIDIA Corporation
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  """
  This sample illustrates a simple LLVM IR -> PTX compiler implemented using
  libNVVM. All command-line options are passed along to libNVVM. Arguments that
  start with '-' are assumed to be options and are passed along accordingly.
  Otherwise, options are treated as file names and are read as IR input(s). All
  inputs will be linked together into a final PTX module.
  """
  
  import sys
  from pynvvm.compiler import Program, ProgramException
  
  
  if len(sys.argv) < 2:
      print('Usage: %s [options] ir-file-1 [ir-file-2 [ir-file-3 ...]]' % sys.argv[0])
      sys.exit(1)
  
  try:
      # Create program object
      p = Program()
      options = []
  
      # Parse all options
      for a in sys.argv[1:]:
          if a.startswith('-'):
              # Treat as compiler option
              options.append(a)
          else:
              # Treat as compiler input
              with open(a, 'rb') as f:
                  p.add_module(f.read())
  
      # Verify the input
      p.verify()
  
      # Run the compile
      ptx = p.compile(options)
  
      # Dump the output to stdout
      print(ptx)
  
      sys.exit(0)
  
  except ProgramException as e:
      # An error occurred, dump it to stdout
      print('ERROR:\n%s\n' % repr(e))
  
  
new_contents: # Copyright (c) 2013 NVIDIA Corporation
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  #
  # The above copyright notice and this permission notice shall be included in
  # all copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  """
  This sample illustrates a simple LLVM IR -> PTX compiler implemented using
  libNVVM. All command-line options are passed along to libNVVM. Arguments that
  start with '-' are assumed to be options and are passed along accordingly.
  Otherwise, options are treated as file names and are read as IR input(s). All
  inputs will be linked together into a final PTX module.
  
  NOTE: If you get errors about not being able to load libnvvm, please make sure
  your [DY]LD_LIBRARY_PATH/PATH environment variable points to the libnvvm binary
  in your CUDA installation, e.g.
  
    $ export LD_LIBRARY_PATH=/usr/local/cuda-5.5/nvvm/lib64
  """
  
  import sys
  from pynvvm.compiler import Program, ProgramException
  
  
  if len(sys.argv) < 2:
      print('Usage: %s [options] ir-file-1 [ir-file-2 [ir-file-3 ...]]' % sys.argv[0])
      sys.exit(1)
  
  try:
      # Create program object
      p = Program()
      options = []
  
      # Parse all options
      for a in sys.argv[1:]:
          if a.startswith('-'):
              # Treat as compiler option
              options.append(a)
          else:
              # Treat as compiler input
              with open(a, 'rb') as f:
                  p.add_module(f.read())
  
      # Verify the input
      p.verify()
  
      # Run the compile
      ptx = p.compile(options)
  
      # Dump the output to stdout
      print(ptx)
  
      sys.exit(0)
  
  except ProgramException as e:
      # An error occurred, dump it to stdout
      print('ERROR:\n%s\n' % repr(e))
  
  
subject: Add hint about finding libnvvm binary in sample