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gerrit-public.fairphone.software / toolchain / llvm-project / 07d94e35293d6c6e0d028b51f1dd343259ad7edb / . / llvm / utils / update_llc_test_checks.py
blob: 6d489a4f3b365950822e93f237f33acf54f74567 [file] [log] [blame]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]1#!/usr/bin/env python2.7
2
3"""A test case update script.
4
5This script is a utility to update LLVM X86 'llc' based test cases with new
6FileCheck patterns. It can either update all of the tests in the file or
7a single test function.
8"""
9
10import argparse
Sanjay Patel506fd0d2016-03-24 17:30:38 +0000[diff] [blame]11import os # Used to advertise this file's name ("autogenerated_note").
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]12import string
13import subprocess
14import sys
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]15import re
16
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]17# Invoke the tool that is being tested.
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]18def llc(args, cmd_args, ir):
19 with open(ir) as ir_file:
20 stdout = subprocess.check_output(args.llc_binary + ' ' + cmd_args,
21 shell=True, stdin=ir_file)
Simon Pilgrim6b6dcc42016-01-27 21:13:18 +0000[diff] [blame]22 # Fix line endings to unix CR style.
23 stdout = stdout.replace('\r\n', '\n')
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]24 return stdout
25
26
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]27# RegEx: this is where the magic happens.
28
29SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
30SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]31SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
32
33ASM_FUNCTION_X86_RE = re.compile(
34 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
35 r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
36 r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section)',
37 flags=(re.M | re.S))
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]38SCRUB_X86_SHUFFLES_RE = (
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]39 re.compile(
Simon Pilgrim7c2fbdc2016-07-03 13:08:29 +0000[diff] [blame]40 r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$',
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]41 flags=re.M))
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]42SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)')
43SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)')
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]44SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+')
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]45
46ASM_FUNCTION_ARM_RE = re.compile(
47 r'^(?P<func>[0-9a-zA-Z_]+):\n' # f: (name of function)
48 r'\s+\.fnstart\n' # .fnstart
49 r'(?P<body>.*?)\n' # (body of the function)
50 r'.Lfunc_end[0-9]+:\n', # .Lfunc_end0:
51 flags=(re.M | re.S))
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]52
53RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]54TRIPLE_ARG_RE = re.compile(r'-mtriple=([^ ]+)')
55TRIPLE_IR_RE = re.compile(r'^target\s+triple\s*=\s*"([^"]+)"$')
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]56IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(')
Nikolai Bozhenov33ee40e2017-01-14 09:39:35 +0000[diff] [blame]57CHECK_PREFIX_RE = re.compile('--?check-prefix(?:es)?=(\S+)')
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]58CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:')
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]59
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]60ASM_FUNCTION_PPC_RE = re.compile(
61 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
62 r'\.Lfunc_begin[0-9]+:\n'
63 r'[ \t]+.cfi_startproc\n'
64 r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*'
65 r'(?P<body>.*?)\n'
66 # This list is incomplete
67 r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*'
68 r'.Lfunc_end[0-9]+:\n',
69 flags=(re.M | re.S))
70
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]71
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]72def scrub_asm_x86(asm):
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]73 # Scrub runs of whitespace out of the assembly, but leave the leading
74 # whitespace in place.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]75 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]76 # Expand the tabs used for indentation.
77 asm = string.expandtabs(asm, 2)
78 # Detect shuffle asm comments and hide the operands in favor of the comments.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]79 asm = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]80 # Generically match the stack offset of a memory operand.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]81 asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]82 # Generically match a RIP-relative memory operand.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]83 asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]84 # Generically match a LCP symbol.
85 asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]86 # Strip kill operands inserted into the asm.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]87 asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
Chandler Carruthe3750952015-02-04 10:46:48 +0000[diff] [blame]88 # Strip trailing whitespace.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]89 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]90 return asm
91
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]92def scrub_asm_arm_eabi(asm):
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]93 # Scrub runs of whitespace out of the assembly, but leave the leading
94 # whitespace in place.
95 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
96 # Expand the tabs used for indentation.
97 asm = string.expandtabs(asm, 2)
98 # Strip kill operands inserted into the asm.
99 asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
100 # Strip trailing whitespace.
101 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
102 return asm
103
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]104def scrub_asm_powerpc64le(asm):
105 # Scrub runs of whitespace out of the assembly, but leave the leading
106 # whitespace in place.
107 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
108 # Expand the tabs used for indentation.
109 asm = string.expandtabs(asm, 2)
110 # Strip trailing whitespace.
111 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
112 return asm
113
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]114
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]115# Build up a dictionary of all the function bodies.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]116def build_function_body_dictionary(raw_tool_output, triple, prefixes, func_dict,
117 verbose):
118 target_handlers = {
119 'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
120 'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
121 'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
122 'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
123 'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
124 'powerpc64le': (scrub_asm_powerpc64le, ASM_FUNCTION_PPC_RE),
125 }
126 handlers = None
127 for prefix, s in target_handlers.items():
128 if triple.startswith(prefix):
129 handlers = s
130 break
131 else:
132 raise KeyError('Triple %r is not supported' % (triple))
133
134 scrubber, function_re = handlers
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]135 for m in function_re.finditer(raw_tool_output):
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]136 if not m:
137 continue
138 func = m.group('func')
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]139 scrubbed_body = scrubber(m.group('body'))
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]140 if func.startswith('stress'):
141 # We only use the last line of the function body for stress tests.
142 scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
143 if verbose:
144 print >>sys.stderr, 'Processing function: ' + func
145 for l in scrubbed_body.splitlines():
146 print >>sys.stderr, ' ' + l
147 for prefix in prefixes:
148 if func in func_dict[prefix] and func_dict[prefix][func] != scrubbed_body:
149 if prefix == prefixes[-1]:
150 print >>sys.stderr, ('WARNING: Found conflicting asm under the '
151 'same prefix: %r!' % (prefix,))
152 else:
153 func_dict[prefix][func] = None
154 continue
155
156 func_dict[prefix][func] = scrubbed_body
157
158
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]159def add_checks(output_lines, run_list, func_dict, func_name):
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]160 printed_prefixes = []
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]161 for p in run_list:
162 checkprefixes = p[0]
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]163 for checkprefix in checkprefixes:
164 if checkprefix in printed_prefixes:
165 break
166 if not func_dict[checkprefix][func_name]:
167 continue
168 # Add some space between different check prefixes.
169 if len(printed_prefixes) != 0:
170 output_lines.append(';')
171 printed_prefixes.append(checkprefix)
172 output_lines.append('; %s-LABEL: %s:' % (checkprefix, func_name))
173 func_body = func_dict[checkprefix][func_name].splitlines()
174 output_lines.append('; %s: %s' % (checkprefix, func_body[0]))
175 for func_line in func_body[1:]:
176 output_lines.append('; %s-NEXT: %s' % (checkprefix, func_line))
177 # Add space between different check prefixes and the first line of code.
178 # output_lines.append(';')
179 break
180 return output_lines
181
182
183def should_add_line_to_output(input_line, prefix_set):
184 # Skip any blank comment lines in the IR.
185 if input_line.strip() == ';':
186 return False
187 # Skip any blank lines in the IR.
188 #if input_line.strip() == '':
189 # return False
190 # And skip any CHECK lines. We're building our own.
191 m = CHECK_RE.match(input_line)
192 if m and m.group(1) in prefix_set:
193 return False
194
195 return True
196
197
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]198def main():
199 parser = argparse.ArgumentParser(description=__doc__)
200 parser.add_argument('-v', '--verbose', action='store_true',
201 help='Show verbose output')
202 parser.add_argument('--llc-binary', default='llc',
203 help='The "llc" binary to use to generate the test case')
204 parser.add_argument(
205 '--function', help='The function in the test file to update')
206 parser.add_argument('tests', nargs='+')
207 args = parser.parse_args()
208
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]209 autogenerated_note = ('; NOTE: Assertions have been autogenerated by '
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]210 'utils/' + os.path.basename(__file__))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]211
212 for test in args.tests:
213 if args.verbose:
214 print >>sys.stderr, 'Scanning for RUN lines in test file: %s' % (test,)
215 with open(test) as f:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]216 input_lines = [l.rstrip() for l in f]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]217
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]218 triple_in_ir = None
219 for l in input_lines:
220 m = TRIPLE_IR_RE.match(l)
221 if m:
222 triple_in_ir = m.groups()[0]
223 break
224
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]225 raw_lines = [m.group(1)
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]226 for m in [RUN_LINE_RE.match(l) for l in input_lines] if m]
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]227 run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
228 for l in raw_lines[1:]:
Bryant Wong507256b2016-12-29 20:05:51 +0000[diff] [blame]229 if run_lines[-1].endswith("\\"):
230 run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
231 else:
232 run_lines.append(l)
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]233
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]234 if args.verbose:
235 print >>sys.stderr, 'Found %d RUN lines:' % (len(run_lines),)
236 for l in run_lines:
237 print >>sys.stderr, ' RUN: ' + l
238
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]239 run_list = []
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]240 for l in run_lines:
Zvi Rackover35a5acf2016-11-07 17:47:21 +0000[diff] [blame]241 commands = [cmd.strip() for cmd in l.split('|', 1)]
242 llc_cmd = commands[0]
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]243
244 triple_in_cmd = None
245 m = TRIPLE_ARG_RE.search(llc_cmd)
246 if m:
247 triple_in_cmd = m.groups()[0]
248
Zvi Rackover35a5acf2016-11-07 17:47:21 +0000[diff] [blame]249 filecheck_cmd = ''
250 if len(commands) > 1:
251 filecheck_cmd = commands[1]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]252 if not llc_cmd.startswith('llc '):
253 print >>sys.stderr, 'WARNING: Skipping non-llc RUN line: ' + l
254 continue
255
256 if not filecheck_cmd.startswith('FileCheck '):
257 print >>sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
258 continue
259
260 llc_cmd_args = llc_cmd[len('llc'):].strip()
261 llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip()
262
Nikolai Bozhenov33ee40e2017-01-14 09:39:35 +0000[diff] [blame]263 check_prefixes = [item for m in CHECK_PREFIX_RE.finditer(filecheck_cmd)
264 for item in m.group(1).split(',')]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]265 if not check_prefixes:
266 check_prefixes = ['CHECK']
267
268 # FIXME: We should use multiple check prefixes to common check lines. For
269 # now, we just ignore all but the last.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]270 run_list.append((check_prefixes, llc_cmd_args, triple_in_cmd))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]271
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]272 func_dict = {}
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]273 for p in run_list:
274 prefixes = p[0]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]275 for prefix in prefixes:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]276 func_dict.update({prefix: dict()})
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]277 for prefixes, llc_args, triple_in_cmd in run_list:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]278 if args.verbose:
279 print >>sys.stderr, 'Extracted LLC cmd: llc ' + llc_args
280 print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]281
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]282 raw_tool_output = llc(args, llc_args, test)
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]283 if not (triple_in_cmd or triple_in_ir):
284 print >>sys.stderr, "Cannot find a triple. Assume 'x86'"
285
286 build_function_body_dictionary(raw_tool_output,
287 triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict, args.verbose)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]288
289 is_in_function = False
290 is_in_function_start = False
Zvi Rackover18082ab2016-11-07 18:08:19 +0000[diff] [blame]291 func_name = None
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]292 prefix_set = set([prefix for p in run_list for prefix in p[0]])
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]293 if args.verbose:
294 print >>sys.stderr, 'Rewriting FileCheck prefixes: %s' % (prefix_set,)
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]295 output_lines = []
296 output_lines.append(autogenerated_note)
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]297
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]298 for input_line in input_lines:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]299 if is_in_function_start:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]300 if input_line == '':
301 continue
302 if input_line.lstrip().startswith(';'):
303 m = CHECK_RE.match(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]304 if not m or m.group(1) not in prefix_set:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]305 output_lines.append(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]306 continue
307
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]308 # Print out the various check lines here.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]309 output_lines = add_checks(output_lines, run_list, func_dict, func_name)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]310 is_in_function_start = False
311
312 if is_in_function:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]313 if should_add_line_to_output(input_line, prefix_set) == True:
314 # This input line of the function body will go as-is into the output.
315 output_lines.append(input_line)
316 else:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]317 continue
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]318 if input_line.strip() == '}':
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]319 is_in_function = False
320 continue
321
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]322 if input_line == autogenerated_note:
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]323 continue
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]324
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]325 # If it's outside a function, it just gets copied to the output.
326 output_lines.append(input_line)
327
328 m = IR_FUNCTION_RE.match(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]329 if not m:
330 continue
Zvi Rackover18082ab2016-11-07 18:08:19 +0000[diff] [blame]331 func_name = m.group(1)
332 if args.function is not None and func_name != args.function:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]333 # When filtering on a specific function, skip all others.
334 continue
335 is_in_function = is_in_function_start = True
336
337 if args.verbose:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]338 print>>sys.stderr, 'Writing %d lines to %s...' % (len(output_lines), test)
339
Simon Pilgrim6b6dcc42016-01-27 21:13:18 +0000[diff] [blame]340 with open(test, 'wb') as f:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]341 f.writelines([l + '\n' for l in output_lines])
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]342
343
344if __name__ == '__main__':
345 main()