Add Subzero to test scripts.

pnacl/scripts/llvm-test.py

 #!/usr/bin/python
 # Copyright (c) 2013 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """This script runs the LLVM regression tests and the LLVM testsuite.
    These tests are tightly coupled to the LLVM build, and require that
    LLVM has been built on this host by build.sh.  It also assumes that
    the test suite source has been checked out using gclient (build.sh
    git-sync).
@@ skipping 38 matching lines @@
     os.chdir(curdir)
 
 
 def ParseCommandLine(argv):
   usage = """%prog [options]
 
 Specify the tests or test subsets in the options; common tests are
 --llvm-regression and --testsuite-all.
 
 The --opt arguments control the frontend/backend optimization flags.
-The default set is {O3f,O2b}, other options are {O0f,O0b}.
+The default set is {O3f,O2b}, other options are {O0f,O0b,O2b_sz,O0b_sz}.
 """
   parser = optparse.OptionParser(usage=usage)
   parser.add_option('--arch', dest='arch',
                     help=('Architecture to test, e.g. x86-32, x86-64, arm; ' +
                           'required for most tests'))
   parser.add_option('--opt', dest='opt_attributes', action='append',
                     default=[],
                     help=('Add optimization level attribute of ' +
                           'test configuration'))
   parser.add_option('--llvm-regression', dest='run_llvm_regression',
@@ skipping 73 matching lines @@
     A simple dict containing keys 'frontend_opt', 'frontend_attr',
     'backend_opt', and 'backend_attr', each mapped to a valid string
     value.  The result is a function of the --opt command-line
     arguments, with defaults in place when there are too few --opt
     arguments.
   """
   configs = dict(O0f={'frontend_opt': '-O0', 'frontend_attr': 'O0f'},
                  O3f={'frontend_opt': '-O3', 'frontend_attr': 'O3f'},
                  O0b={'backend_opt': '-translate-fast',
                       'backend_attr': 'O0b'},
-                 O2b={'backend_opt': '-O2', 'backend_attr': 'O2b'})
+                 O2b={'backend_opt': '-O2', 'backend_attr': 'O2b'},
+                 O0b_sz={'backend_opt': '-translate-fast --use-sz',
+                         'backend_attr': 'O0b_sz'},
+                 O2b_sz={'backend_opt': '-O2 --use-sz',
+                         'backend_attr': 'O2b_sz'},
+                 )
   result = {}
   # Default is pnacl-clang -O3, pnacl-translate -O2
   for attr in ['O3f', 'O2b'] + options.opt_attributes:
     if attr in configs:
       result.update(configs[attr])
   return result
 
 
 def GetConfigSuffix(config):
   """Create a string to be used as a file suffix.
@@ skipping 355 matching lines @@
     EnsureSdkExists(env)
     result = result or RunLitTest(env['TC_BUILD_LIBCXX'], 'check-libcxx',
                                   'LIBCXX_KNOWN_FAILURES',
                                   env, options)
 
   result = result or RunTestsuiteSteps(env, config, options)
   return result
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))