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gerrit-public.fairphone.software / toolchain / llvm-project / 99241d75c17a524b2be2a12d0d5321d52f6d4116 / . / llvm / utils / update_llc_test_checks.py
blob: 02bcc2df5d7583743260a5655b29928d6b148fa1 [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
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]29ASM_FUNCTION_X86_RE = re.compile(
30 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n[^:]*?'
31 r'(?P<body>^##?[ \t]+[^:]+:.*?)\s*'
Zvi Rackoverd635eeb2017-09-06 23:04:28 +0000[diff] [blame]32 r'^\s*(?:[^:\n]+?:\s*\n\s*\.size|\.cfi_endproc|\.globl|\.comm|\.(?:sub)?section|#+ -- End function)',
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]33 flags=(re.M | re.S))
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]34
35ASM_FUNCTION_ARM_RE = re.compile(
36 r'^(?P<func>[0-9a-zA-Z_]+):\n' # f: (name of function)
37 r'\s+\.fnstart\n' # .fnstart
38 r'(?P<body>.*?)\n' # (body of the function)
Chandler Carruth5c69dac2017-08-25 02:32:48 +0000[diff] [blame]39 r'.Lfunc_end[0-9]+:', # .Lfunc_end0: or # -- End function
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]40 flags=(re.M | re.S))
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]41
Sanjay Patelb2f62a9e2017-08-25 19:33:18 +0000[diff] [blame]42ASM_FUNCTION_AARCH64_RE = re.compile(
43 r'^_?(?P<func>[^:]+):[ \t]*\/\/[ \t]*@(?P=func)\n'
44 r'[ \t]+.cfi_startproc\n'
45 r'(?P<body>.*?)\n'
46 # This list is incomplete
47 r'.Lfunc_end[0-9]+:\n',
48 flags=(re.M | re.S))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]49
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]50ASM_FUNCTION_PPC_RE = re.compile(
51 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
52 r'\.Lfunc_begin[0-9]+:\n'
53 r'[ \t]+.cfi_startproc\n'
54 r'(?:\.Lfunc_[gl]ep[0-9]+:\n(?:[ \t]+.*?\n)*)*'
55 r'(?P<body>.*?)\n'
56 # This list is incomplete
57 r'(?:^[ \t]*(?:\.long[ \t]+[^\n]+|\.quad[ \t]+[^\n]+)\n)*'
58 r'.Lfunc_end[0-9]+:\n',
59 flags=(re.M | re.S))
60
Jonas Paulssonf20386d2017-03-17 07:11:42 +0000[diff] [blame]61ASM_FUNCTION_SYSTEMZ_RE = re.compile(
62 r'^_?(?P<func>[^:]+):[ \t]*#+[ \t]*@(?P=func)\n'
63 r'[ \t]+.cfi_startproc\n'
64 r'(?P<body>.*?)\n'
65 r'.Lfunc_end[0-9]+:\n',
66 flags=(re.M | re.S))
67
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]68
Sanjay Patelb2f62a9e2017-08-25 19:33:18 +0000[diff] [blame]69SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
70SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
71SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
72SCRUB_LOOP_COMMENT_RE = re.compile(
73 r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
74
75SCRUB_X86_SHUFFLES_RE = (
76 re.compile(
77 r'^(\s*\w+) [^#\n]+#+ ((?:[xyz]mm\d+|mem)( \{%k\d+\}( \{z\})?)? = .*)$',
78 flags=re.M))
79SCRUB_X86_SP_RE = re.compile(r'\d+\(%(esp|rsp)\)')
80SCRUB_X86_RIP_RE = re.compile(r'[.\w]+\(%rip\)')
81SCRUB_X86_LCP_RE = re.compile(r'\.LCPI[0-9]+_[0-9]+')
82
83RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
84TRIPLE_ARG_RE = re.compile(r'-mtriple=([^ ]+)')
85TRIPLE_IR_RE = re.compile(r'^target\s+triple\s*=\s*"([^"]+)"$')
86IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(')
87CHECK_PREFIX_RE = re.compile('--?check-prefix(?:es)?=(\S+)')
88CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:')
89
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]90def scrub_asm_x86(asm):
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]91 # Scrub runs of whitespace out of the assembly, but leave the leading
92 # whitespace in place.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]93 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]94 # Expand the tabs used for indentation.
95 asm = string.expandtabs(asm, 2)
96 # Detect shuffle asm comments and hide the operands in favor of the comments.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]97 asm = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]98 # Generically match the stack offset of a memory operand.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]99 asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]100 # Generically match a RIP-relative memory operand.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]101 asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]102 # Generically match a LCP symbol.
103 asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]104 # Strip kill operands inserted into the asm.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]105 asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
Chandler Carruthe3750952015-02-04 10:46:48 +0000[diff] [blame]106 # Strip trailing whitespace.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]107 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]108 return asm
109
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]110def scrub_asm_arm_eabi(asm):
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]111 # Scrub runs of whitespace out of the assembly, but leave the leading
112 # whitespace in place.
113 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
114 # Expand the tabs used for indentation.
115 asm = string.expandtabs(asm, 2)
116 # Strip kill operands inserted into the asm.
117 asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
118 # Strip trailing whitespace.
119 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
120 return asm
121
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]122def scrub_asm_powerpc64le(asm):
123 # Scrub runs of whitespace out of the assembly, but leave the leading
124 # whitespace in place.
125 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
126 # Expand the tabs used for indentation.
127 asm = string.expandtabs(asm, 2)
Tim Shence26a452017-03-23 16:02:47 +0000[diff] [blame]128 # Stripe unimportant comments
129 asm = SCRUB_LOOP_COMMENT_RE.sub(r'', asm)
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]130 # Strip trailing whitespace.
131 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
132 return asm
133
Jonas Paulssonf20386d2017-03-17 07:11:42 +0000[diff] [blame]134def scrub_asm_systemz(asm):
135 # Scrub runs of whitespace out of the assembly, but leave the leading
136 # whitespace in place.
137 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
138 # Expand the tabs used for indentation.
139 asm = string.expandtabs(asm, 2)
140 # Strip trailing whitespace.
141 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
142 return asm
143
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]144
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]145# Build up a dictionary of all the function bodies.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]146def build_function_body_dictionary(raw_tool_output, triple, prefixes, func_dict,
147 verbose):
148 target_handlers = {
149 'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
150 'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
151 'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
152 'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
Sanjay Patelb2f62a9e2017-08-25 19:33:18 +0000[diff] [blame]153 'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]154 'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
Sanjay Patel588e4152017-02-24 21:47:44 +0000[diff] [blame]155 'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
156 'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
Eli Friedman7e0ce822017-02-24 03:04:11 +0000[diff] [blame]157 'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]158 'powerpc64le': (scrub_asm_powerpc64le, ASM_FUNCTION_PPC_RE),
Jonas Paulssonf20386d2017-03-17 07:11:42 +0000[diff] [blame]159 's390x': (scrub_asm_systemz, ASM_FUNCTION_SYSTEMZ_RE),
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]160 }
161 handlers = None
162 for prefix, s in target_handlers.items():
163 if triple.startswith(prefix):
164 handlers = s
165 break
166 else:
167 raise KeyError('Triple %r is not supported' % (triple))
168
169 scrubber, function_re = handlers
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]170 for m in function_re.finditer(raw_tool_output):
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]171 if not m:
172 continue
173 func = m.group('func')
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]174 scrubbed_body = scrubber(m.group('body'))
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]175 if func.startswith('stress'):
176 # We only use the last line of the function body for stress tests.
177 scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
178 if verbose:
179 print >>sys.stderr, 'Processing function: ' + func
180 for l in scrubbed_body.splitlines():
181 print >>sys.stderr, ' ' + l
182 for prefix in prefixes:
183 if func in func_dict[prefix] and func_dict[prefix][func] != scrubbed_body:
184 if prefix == prefixes[-1]:
185 print >>sys.stderr, ('WARNING: Found conflicting asm under the '
186 'same prefix: %r!' % (prefix,))
187 else:
188 func_dict[prefix][func] = None
189 continue
190
191 func_dict[prefix][func] = scrubbed_body
192
193
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]194def add_checks(output_lines, run_list, func_dict, func_name):
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]195 printed_prefixes = []
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]196 for p in run_list:
197 checkprefixes = p[0]
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]198 for checkprefix in checkprefixes:
199 if checkprefix in printed_prefixes:
200 break
201 if not func_dict[checkprefix][func_name]:
202 continue
203 # Add some space between different check prefixes.
204 if len(printed_prefixes) != 0:
205 output_lines.append(';')
206 printed_prefixes.append(checkprefix)
207 output_lines.append('; %s-LABEL: %s:' % (checkprefix, func_name))
208 func_body = func_dict[checkprefix][func_name].splitlines()
209 output_lines.append('; %s: %s' % (checkprefix, func_body[0]))
210 for func_line in func_body[1:]:
211 output_lines.append('; %s-NEXT: %s' % (checkprefix, func_line))
212 # Add space between different check prefixes and the first line of code.
213 # output_lines.append(';')
214 break
215 return output_lines
216
217
218def should_add_line_to_output(input_line, prefix_set):
219 # Skip any blank comment lines in the IR.
220 if input_line.strip() == ';':
221 return False
222 # Skip any blank lines in the IR.
223 #if input_line.strip() == '':
224 # return False
225 # And skip any CHECK lines. We're building our own.
226 m = CHECK_RE.match(input_line)
227 if m and m.group(1) in prefix_set:
228 return False
229
230 return True
231
232
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]233def main():
234 parser = argparse.ArgumentParser(description=__doc__)
235 parser.add_argument('-v', '--verbose', action='store_true',
236 help='Show verbose output')
237 parser.add_argument('--llc-binary', default='llc',
238 help='The "llc" binary to use to generate the test case')
239 parser.add_argument(
240 '--function', help='The function in the test file to update')
241 parser.add_argument('tests', nargs='+')
242 args = parser.parse_args()
243
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]244 autogenerated_note = ('; NOTE: Assertions have been autogenerated by '
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]245 'utils/' + os.path.basename(__file__))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]246
247 for test in args.tests:
248 if args.verbose:
249 print >>sys.stderr, 'Scanning for RUN lines in test file: %s' % (test,)
250 with open(test) as f:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]251 input_lines = [l.rstrip() for l in f]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]252
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]253 triple_in_ir = None
254 for l in input_lines:
255 m = TRIPLE_IR_RE.match(l)
256 if m:
257 triple_in_ir = m.groups()[0]
258 break
259
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]260 raw_lines = [m.group(1)
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]261 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]262 run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
263 for l in raw_lines[1:]:
Bryant Wong507256b2016-12-29 20:05:51 +0000[diff] [blame]264 if run_lines[-1].endswith("\\"):
265 run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
266 else:
267 run_lines.append(l)
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]268
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]269 if args.verbose:
270 print >>sys.stderr, 'Found %d RUN lines:' % (len(run_lines),)
271 for l in run_lines:
272 print >>sys.stderr, ' RUN: ' + l
273
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]274 run_list = []
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]275 for l in run_lines:
Zvi Rackover35a5acf2016-11-07 17:47:21 +0000[diff] [blame]276 commands = [cmd.strip() for cmd in l.split('|', 1)]
277 llc_cmd = commands[0]
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]278
279 triple_in_cmd = None
280 m = TRIPLE_ARG_RE.search(llc_cmd)
281 if m:
282 triple_in_cmd = m.groups()[0]
283
Zvi Rackover35a5acf2016-11-07 17:47:21 +0000[diff] [blame]284 filecheck_cmd = ''
285 if len(commands) > 1:
286 filecheck_cmd = commands[1]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]287 if not llc_cmd.startswith('llc '):
288 print >>sys.stderr, 'WARNING: Skipping non-llc RUN line: ' + l
289 continue
290
291 if not filecheck_cmd.startswith('FileCheck '):
292 print >>sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
293 continue
294
295 llc_cmd_args = llc_cmd[len('llc'):].strip()
296 llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip()
297
Nikolai Bozhenov33ee40e2017-01-14 09:39:35 +0000[diff] [blame]298 check_prefixes = [item for m in CHECK_PREFIX_RE.finditer(filecheck_cmd)
299 for item in m.group(1).split(',')]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]300 if not check_prefixes:
301 check_prefixes = ['CHECK']
302
303 # FIXME: We should use multiple check prefixes to common check lines. For
304 # now, we just ignore all but the last.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]305 run_list.append((check_prefixes, llc_cmd_args, triple_in_cmd))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]306
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]307 func_dict = {}
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]308 for p in run_list:
309 prefixes = p[0]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]310 for prefix in prefixes:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]311 func_dict.update({prefix: dict()})
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]312 for prefixes, llc_args, triple_in_cmd in run_list:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]313 if args.verbose:
314 print >>sys.stderr, 'Extracted LLC cmd: llc ' + llc_args
315 print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]316
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]317 raw_tool_output = llc(args, llc_args, test)
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]318 if not (triple_in_cmd or triple_in_ir):
319 print >>sys.stderr, "Cannot find a triple. Assume 'x86'"
320
321 build_function_body_dictionary(raw_tool_output,
322 triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict, args.verbose)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]323
324 is_in_function = False
325 is_in_function_start = False
Zvi Rackover18082ab2016-11-07 18:08:19 +0000[diff] [blame]326 func_name = None
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]327 prefix_set = set([prefix for p in run_list for prefix in p[0]])
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]328 if args.verbose:
329 print >>sys.stderr, 'Rewriting FileCheck prefixes: %s' % (prefix_set,)
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]330 output_lines = []
331 output_lines.append(autogenerated_note)
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]332
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]333 for input_line in input_lines:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]334 if is_in_function_start:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]335 if input_line == '':
336 continue
337 if input_line.lstrip().startswith(';'):
338 m = CHECK_RE.match(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]339 if not m or m.group(1) not in prefix_set:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]340 output_lines.append(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]341 continue
342
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]343 # Print out the various check lines here.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]344 output_lines = add_checks(output_lines, run_list, func_dict, func_name)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]345 is_in_function_start = False
346
347 if is_in_function:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]348 if should_add_line_to_output(input_line, prefix_set) == True:
349 # This input line of the function body will go as-is into the output.
350 output_lines.append(input_line)
351 else:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]352 continue
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]353 if input_line.strip() == '}':
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]354 is_in_function = False
355 continue
356
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]357 if input_line == autogenerated_note:
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]358 continue
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]359
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]360 # If it's outside a function, it just gets copied to the output.
361 output_lines.append(input_line)
362
363 m = IR_FUNCTION_RE.match(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]364 if not m:
365 continue
Zvi Rackover18082ab2016-11-07 18:08:19 +0000[diff] [blame]366 func_name = m.group(1)
367 if args.function is not None and func_name != args.function:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]368 # When filtering on a specific function, skip all others.
369 continue
370 is_in_function = is_in_function_start = True
371
372 if args.verbose:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]373 print>>sys.stderr, 'Writing %d lines to %s...' % (len(output_lines), test)
374
Simon Pilgrim6b6dcc42016-01-27 21:13:18 +0000[diff] [blame]375 with open(test, 'wb') as f:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]376 f.writelines([l + '\n' for l in output_lines])
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]377
378
379if __name__ == '__main__':
380 main()