Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 408 deletions

diff --git a/gnu/llvm/tools/clang/utils/perf-training/perf-helper.py b/gnu/llvm/tools/clang/utils/perf-training/perf-helper.py
deleted file mode 100644
index 65afbb6ed57..00000000000
--- a/gnu/llvm/tools/clang/utils/perf-training/perf-helper.py
+++ /dev/null
@@ -1,408 +0,0 @@
-#===- perf-helper.py - Clang Python Bindings -----------------*- python -*--===#
-#
-#                     The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-#===------------------------------------------------------------------------===#
-
-from __future__ import absolute_import, division, print_function
-
-import sys
-import os
-import subprocess
-import argparse
-import time
-import bisect
-import shlex
-import tempfile
-
-test_env = { 'PATH'    : os.environ['PATH'] }
-
-def findFilesWithExtension(path, extension):
-  filenames = []
-  for root, dirs, files in os.walk(path): 
-    for filename in files:
-      if filename.endswith(extension):
-        filenames.append(os.path.join(root, filename))
-  return filenames
-
-def clean(args):
-  if len(args) != 2:
-    print('Usage: %s clean <path> <extension>\n' % __file__ +
-      '\tRemoves all files with extension from <path>.')
-    return 1
-  for filename in findFilesWithExtension(args[0], args[1]):
-    os.remove(filename)
-  return 0
-
-def merge(args):
-  if len(args) != 3:
-    print('Usage: %s clean <llvm-profdata> <output> <path>\n' % __file__ +
-      '\tMerges all profraw files from path into output.')
-    return 1
-  cmd = [args[0], 'merge', '-o', args[1]]
-  cmd.extend(findFilesWithExtension(args[2], "profraw"))
-  subprocess.check_call(cmd)
-  return 0
-
-def dtrace(args):
-  parser = argparse.ArgumentParser(prog='perf-helper dtrace',
-    description='dtrace wrapper for order file generation')
-  parser.add_argument('--buffer-size', metavar='size', type=int, required=False,
-    default=1, help='dtrace buffer size in MB (default 1)')
-  parser.add_argument('--use-oneshot', required=False, action='store_true',
-    help='Use dtrace\'s oneshot probes')
-  parser.add_argument('--use-ustack', required=False, action='store_true',
-    help='Use dtrace\'s ustack to print function names')
-  parser.add_argument('--cc1', required=False, action='store_true',
-    help='Execute cc1 directly (don\'t profile the driver)')
-  parser.add_argument('cmd', nargs='*', help='')
-
-  # Use python's arg parser to handle all leading option arguments, but pass
-  # everything else through to dtrace
-  first_cmd = next(arg for arg in args if not arg.startswith("--"))
-  last_arg_idx = args.index(first_cmd)
-
-  opts = parser.parse_args(args[:last_arg_idx])
-  cmd = args[last_arg_idx:]
-
-  if opts.cc1:
-    cmd = get_cc1_command_for_args(cmd, test_env)
-
-  if opts.use_oneshot:
-      target = "oneshot$target:::entry"
-  else:
-      target = "pid$target:::entry"
-  predicate = '%s/probemod=="%s"/' % (target, os.path.basename(cmd[0]))
-  log_timestamp = 'printf("dtrace-TS: %d\\n", timestamp)'
-  if opts.use_ustack:
-      action = 'ustack(1);'
-  else:
-      action = 'printf("dtrace-Symbol: %s\\n", probefunc);'
-  dtrace_script = "%s { %s; %s }" % (predicate, log_timestamp, action)
-
-  dtrace_args = []
-  if not os.geteuid() == 0:
-    print(
-      'Script must be run as root, or you must add the following to your sudoers:'
-      + '%%admin ALL=(ALL) NOPASSWD: /usr/sbin/dtrace')
-    dtrace_args.append("sudo")
-
-  dtrace_args.extend((
-      'dtrace', '-xevaltime=exec',
-      '-xbufsize=%dm' % (opts.buffer_size),
-      '-q', '-n', dtrace_script, 
-      '-c', ' '.join(cmd)))
-
-  if sys.platform == "darwin":
-    dtrace_args.append('-xmangled')
-
-  start_time = time.time()
-
-  with open("%d.dtrace" % os.getpid(), "w") as f:
-    f.write("### Command: %s" % dtrace_args)
-    subprocess.check_call(dtrace_args, stdout=f, stderr=subprocess.PIPE)
-
-  elapsed = time.time() - start_time
-  print("... data collection took %.4fs" % elapsed)
-
-  return 0
-
-def get_cc1_command_for_args(cmd, env):
-  # Find the cc1 command used by the compiler. To do this we execute the
-  # compiler with '-###' to figure out what it wants to do.
-  cmd = cmd + ['-###']
-  cc_output = subprocess.check_output(cmd, stderr=subprocess.STDOUT, env=env, universal_newlines=True).strip()
-  cc_commands = []
-  for ln in cc_output.split('\n'):
-      # Filter out known garbage.
-      if (ln == 'Using built-in specs.' or
-          ln.startswith('Configured with:') or
-          ln.startswith('Target:') or
-          ln.startswith('Thread model:') or
-          ln.startswith('InstalledDir:') or
-          ln.startswith('LLVM Profile Note') or
-          ' version ' in ln):
-          continue
-      cc_commands.append(ln)
-
-  if len(cc_commands) != 1:
-      print('Fatal error: unable to determine cc1 command: %r' % cc_output)
-      exit(1)
-
-  cc1_cmd = shlex.split(cc_commands[0])
-  if not cc1_cmd:
-      print('Fatal error: unable to determine cc1 command: %r' % cc_output)
-      exit(1)
-
-  return cc1_cmd
-
-def cc1(args):
-  parser = argparse.ArgumentParser(prog='perf-helper cc1',
-    description='cc1 wrapper for order file generation')
-  parser.add_argument('cmd', nargs='*', help='')
-
-  # Use python's arg parser to handle all leading option arguments, but pass
-  # everything else through to dtrace
-  first_cmd = next(arg for arg in args if not arg.startswith("--"))
-  last_arg_idx = args.index(first_cmd)
-
-  opts = parser.parse_args(args[:last_arg_idx])
-  cmd = args[last_arg_idx:]
-
-  # clear the profile file env, so that we don't generate profdata
-  # when capturing the cc1 command
-  cc1_env = test_env
-  cc1_env["LLVM_PROFILE_FILE"] = os.devnull
-  cc1_cmd = get_cc1_command_for_args(cmd, cc1_env)
-
-  subprocess.check_call(cc1_cmd)
-  return 0
-
-def parse_dtrace_symbol_file(path, all_symbols, all_symbols_set,
-                             missing_symbols, opts):
-  def fix_mangling(symbol):
-    if sys.platform == "darwin":
-      if symbol[0] != '_' and symbol != 'start':
-          symbol = '_' + symbol
-    return symbol
-
-  def get_symbols_with_prefix(symbol):
-    start_index = bisect.bisect_left(all_symbols, symbol)
-    for s in all_symbols[start_index:]:
-      if not s.startswith(symbol):
-        break
-      yield s
-
-  # Extract the list of symbols from the given file, which is assumed to be
-  # the output of a dtrace run logging either probefunc or ustack(1) and
-  # nothing else. The dtrace -xdemangle option needs to be used.
-  #
-  # This is particular to OS X at the moment, because of the '_' handling.
-  with open(path) as f:
-    current_timestamp = None
-    for ln in f:
-      # Drop leading and trailing whitespace.
-      ln = ln.strip()
-      if not ln.startswith("dtrace-"):
-        continue
-
-      # If this is a timestamp specifier, extract it.
-      if ln.startswith("dtrace-TS: "):
-        _,data = ln.split(': ', 1)
-        if not data.isdigit():
-          print("warning: unrecognized timestamp line %r, ignoring" % ln,
-            file=sys.stderr)
-          continue
-        current_timestamp = int(data)
-        continue
-      elif ln.startswith("dtrace-Symbol: "):
-
-        _,ln = ln.split(': ', 1)
-        if not ln:
-          continue
-
-        # If there is a '`' in the line, assume it is a ustack(1) entry in
-        # the form of <modulename>`<modulefunc>, where <modulefunc> is never
-        # truncated (but does need the mangling patched).
-        if '`' in ln:
-          yield (current_timestamp, fix_mangling(ln.split('`',1)[1]))
-          continue
-
-        # Otherwise, assume this is a probefunc printout. DTrace on OS X
-        # seems to have a bug where it prints the mangled version of symbols
-        # which aren't C++ mangled. We just add a '_' to anything but start
-        # which doesn't already have a '_'.
-        symbol = fix_mangling(ln)
-
-        # If we don't know all the symbols, or the symbol is one of them,
-        # just return it.
-        if not all_symbols_set or symbol in all_symbols_set:
-          yield (current_timestamp, symbol)
-          continue
-
-        # Otherwise, we have a symbol name which isn't present in the
-        # binary. We assume it is truncated, and try to extend it.
-
-        # Get all the symbols with this prefix.
-        possible_symbols = list(get_symbols_with_prefix(symbol))
-        if not possible_symbols:
-          continue
-
-        # If we found too many possible symbols, ignore this as a prefix.
-        if len(possible_symbols) > 100:
-          print( "warning: ignoring symbol %r " % symbol +
-            "(no match and too many possible suffixes)", file=sys.stderr) 
-          continue
-
-        # Report that we resolved a missing symbol.
-        if opts.show_missing_symbols and symbol not in missing_symbols:
-          print("warning: resolved missing symbol %r" % symbol, file=sys.stderr)
-          missing_symbols.add(symbol)
-
-        # Otherwise, treat all the possible matches as having occurred. This
-        # is an over-approximation, but it should be ok in practice.
-        for s in possible_symbols:
-          yield (current_timestamp, s)
-
-def uniq(list):
-  seen = set()
-  for item in list:
-    if item not in seen:
-      yield item
-      seen.add(item)
-
-def form_by_call_order(symbol_lists):
-  # Simply strategy, just return symbols in order of occurrence, even across
-  # multiple runs.
-  return uniq(s for symbols in symbol_lists for s in symbols)
-
-def form_by_call_order_fair(symbol_lists):
-  # More complicated strategy that tries to respect the call order across all
-  # of the test cases, instead of giving a huge preference to the first test
-  # case.
-
-  # First, uniq all the lists.
-  uniq_lists = [list(uniq(symbols)) for symbols in symbol_lists]
-
-  # Compute the successors for each list.
-  succs = {}
-  for symbols in uniq_lists:
-    for a,b in zip(symbols[:-1], symbols[1:]):
-      succs[a] = items = succs.get(a, [])
-      if b not in items:
-        items.append(b)
-  
-  # Emit all the symbols, but make sure to always emit all successors from any
-  # call list whenever we see a symbol.
-  #
-  # There isn't much science here, but this sometimes works better than the
-  # more naive strategy. Then again, sometimes it doesn't so more research is
-  # probably needed.
-  return uniq(s
-    for symbols in symbol_lists
-    for node in symbols
-    for s in ([node] + succs.get(node,[])))
- 
-def form_by_frequency(symbol_lists):
-  # Form the order file by just putting the most commonly occurring symbols
-  # first. This assumes the data files didn't use the oneshot dtrace method.
- 
-  counts = {}
-  for symbols in symbol_lists:
-    for a in symbols:
-      counts[a] = counts.get(a,0) + 1
-
-  by_count = list(counts.items())
-  by_count.sort(key = lambda __n: -__n[1])
-  return [s for s,n in by_count]
- 
-def form_by_random(symbol_lists):
-  # Randomize the symbols.
-  merged_symbols = uniq(s for symbols in symbol_lists
-                          for s in symbols)
-  random.shuffle(merged_symbols)
-  return merged_symbols
- 
-def form_by_alphabetical(symbol_lists):
-  # Alphabetize the symbols.
-  merged_symbols = list(set(s for symbols in symbol_lists for s in symbols))
-  merged_symbols.sort()
-  return merged_symbols
-
-methods = dict((name[len("form_by_"):],value)
-  for name,value in locals().items() if name.startswith("form_by_"))
-
-def genOrderFile(args):
-  parser = argparse.ArgumentParser(
-    "%prog  [options] <dtrace data file directories>]")
-  parser.add_argument('input', nargs='+', help='')
-  parser.add_argument("--binary", metavar="PATH", type=str, dest="binary_path",
-    help="Path to the binary being ordered (for getting all symbols)",
-    default=None)
-  parser.add_argument("--output", dest="output_path",
-    help="path to output order file to write", default=None, required=True,
-    metavar="PATH")
-  parser.add_argument("--show-missing-symbols", dest="show_missing_symbols",
-    help="show symbols which are 'fixed up' to a valid name (requires --binary)",
-    action="store_true", default=None)
-  parser.add_argument("--output-unordered-symbols",
-    dest="output_unordered_symbols_path",
-    help="write a list of the unordered symbols to PATH (requires --binary)",
-    default=None, metavar="PATH")
-  parser.add_argument("--method", dest="method",
-    help="order file generation method to use", choices=list(methods.keys()),
-    default='call_order')
-  opts = parser.parse_args(args)
-
-  # If the user gave us a binary, get all the symbols in the binary by
-  # snarfing 'nm' output.
-  if opts.binary_path is not None:
-     output = subprocess.check_output(['nm', '-P', opts.binary_path], universal_newlines=True)
-     lines = output.split("\n")
-     all_symbols = [ln.split(' ',1)[0]
-                    for ln in lines
-                    if ln.strip()]
-     print("found %d symbols in binary" % len(all_symbols))
-     all_symbols.sort()
-  else:
-     all_symbols = []
-  all_symbols_set = set(all_symbols)
-
-  # Compute the list of input files.
-  input_files = []
-  for dirname in opts.input:
-    input_files.extend(findFilesWithExtension(dirname, "dtrace"))
-
-  # Load all of the input files.
-  print("loading from %d data files" % len(input_files))
-  missing_symbols = set()
-  timestamped_symbol_lists = [
-      list(parse_dtrace_symbol_file(path, all_symbols, all_symbols_set,
-                                    missing_symbols, opts))
-      for path in input_files]
-
-  # Reorder each symbol list.
-  symbol_lists = []
-  for timestamped_symbols_list in timestamped_symbol_lists:
-    timestamped_symbols_list.sort()
-    symbol_lists.append([symbol for _,symbol in timestamped_symbols_list])
-
-  # Execute the desire order file generation method.
-  method = methods.get(opts.method)
-  result = list(method(symbol_lists))
-
-  # Report to the user on what percentage of symbols are present in the order
-  # file.
-  num_ordered_symbols = len(result)
-  if all_symbols:
-    print("note: order file contains %d/%d symbols (%.2f%%)" % (
-      num_ordered_symbols, len(all_symbols),
-      100.*num_ordered_symbols/len(all_symbols)), file=sys.stderr)
-
-  if opts.output_unordered_symbols_path:
-    ordered_symbols_set = set(result)
-    with open(opts.output_unordered_symbols_path, 'w') as f:
-      f.write("\n".join(s for s in all_symbols if s not in ordered_symbols_set))
-
-  # Write the order file.
-  with open(opts.output_path, 'w') as f:
-    f.write("\n".join(result))
-    f.write("\n")
-
-  return 0
-
-commands = {'clean' : clean,
-  'merge' : merge, 
-  'dtrace' : dtrace,
-  'cc1' : cc1,
-  'gen-order-file' : genOrderFile}
-
-def main():
-  f = commands[sys.argv[1]]
-  sys.exit(f(sys.argv[2:]))
-
-if __name__ == '__main__':
-  main()