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gerrit-public.fairphone.software / toolchain / llvm-project / 103cca1af77763e54d9a0b4fb0e03295a9f68417 / . / llvm / utils / update_llc_test_checks.py
blob: c089e42f526eb2e01ac17dd8960ba359165260d8 [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]+')
Sanjay Patelf1735a52017-10-20 21:55:23 +0000[diff] [blame]82SCRUB_X86_RET_RE = re.compile(r'ret[l|q]')
Sanjay Patelb2f62a9e2017-08-25 19:33:18 +0000[diff] [blame]83
84RUN_LINE_RE = re.compile('^\s*;\s*RUN:\s*(.*)$')
85TRIPLE_ARG_RE = re.compile(r'-mtriple=([^ ]+)')
86TRIPLE_IR_RE = re.compile(r'^target\s+triple\s*=\s*"([^"]+)"$')
87IR_FUNCTION_RE = re.compile('^\s*define\s+(?:internal\s+)?[^@]*@(\w+)\s*\(')
88CHECK_PREFIX_RE = re.compile('--?check-prefix(?:es)?=(\S+)')
89CHECK_RE = re.compile(r'^\s*;\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL)?:')
90
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]91def scrub_asm_x86(asm):
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]92 # Scrub runs of whitespace out of the assembly, but leave the leading
93 # whitespace in place.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]94 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]95 # Expand the tabs used for indentation.
96 asm = string.expandtabs(asm, 2)
97 # Detect shuffle asm comments and hide the operands in favor of the comments.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]98 asm = SCRUB_X86_SHUFFLES_RE.sub(r'\1 {{.*#+}} \2', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]99 # Generically match the stack offset of a memory operand.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]100 asm = SCRUB_X86_SP_RE.sub(r'{{[0-9]+}}(%\1)', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]101 # Generically match a RIP-relative memory operand.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]102 asm = SCRUB_X86_RIP_RE.sub(r'{{.*}}(%rip)', asm)
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]103 # Generically match a LCP symbol.
104 asm = SCRUB_X86_LCP_RE.sub(r'{{\.LCPI.*}}', asm)
Sanjay Patelf1735a52017-10-20 21:55:23 +0000[diff] [blame]105 # Avoid generating different checks for 32- and 64-bit because of 'retl' vs 'retq'.
106 asm = SCRUB_X86_RET_RE.sub(r'ret{{[l|q]}}', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]107 # Strip kill operands inserted into the asm.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]108 asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
Chandler Carruthe3750952015-02-04 10:46:48 +0000[diff] [blame]109 # Strip trailing whitespace.
Sanjay Patelbf623012016-03-23 21:40:53 +0000[diff] [blame]110 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]111 return asm
112
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]113def scrub_asm_arm_eabi(asm):
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]114 # Scrub runs of whitespace out of the assembly, but leave the leading
115 # whitespace in place.
116 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
117 # Expand the tabs used for indentation.
118 asm = string.expandtabs(asm, 2)
119 # Strip kill operands inserted into the asm.
120 asm = SCRUB_KILL_COMMENT_RE.sub('', asm)
121 # Strip trailing whitespace.
122 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
123 return asm
124
Fangrui Songdc168722017-10-22 18:43:23 +0000[diff] [blame]125def scrub_asm_powerpc64(asm):
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]126 # Scrub runs of whitespace out of the assembly, but leave the leading
127 # whitespace in place.
128 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
129 # Expand the tabs used for indentation.
130 asm = string.expandtabs(asm, 2)
Tim Shence26a452017-03-23 16:02:47 +0000[diff] [blame]131 # Stripe unimportant comments
132 asm = SCRUB_LOOP_COMMENT_RE.sub(r'', asm)
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]133 # Strip trailing whitespace.
134 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
135 return asm
136
Jonas Paulssonf20386d2017-03-17 07:11:42 +0000[diff] [blame]137def scrub_asm_systemz(asm):
138 # Scrub runs of whitespace out of the assembly, but leave the leading
139 # whitespace in place.
140 asm = SCRUB_WHITESPACE_RE.sub(r' ', asm)
141 # Expand the tabs used for indentation.
142 asm = string.expandtabs(asm, 2)
143 # Strip trailing whitespace.
144 asm = SCRUB_TRAILING_WHITESPACE_RE.sub(r'', asm)
145 return asm
146
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]147
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]148# Build up a dictionary of all the function bodies.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]149def build_function_body_dictionary(raw_tool_output, triple, prefixes, func_dict,
150 verbose):
151 target_handlers = {
152 'x86_64': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
153 'i686': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
154 'x86': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
155 'i386': (scrub_asm_x86, ASM_FUNCTION_X86_RE),
Sanjay Patelb2f62a9e2017-08-25 19:33:18 +0000[diff] [blame]156 'aarch64': (scrub_asm_arm_eabi, ASM_FUNCTION_AARCH64_RE),
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]157 'arm-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
Sanjay Patel588e4152017-02-24 21:47:44 +0000[diff] [blame]158 'thumb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
159 'thumbv8-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
Eli Friedman7e0ce822017-02-24 03:04:11 +0000[diff] [blame]160 'armeb-eabi': (scrub_asm_arm_eabi, ASM_FUNCTION_ARM_RE),
Fangrui Songdc168722017-10-22 18:43:23 +0000[diff] [blame]161 'powerpc64': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
162 'powerpc64le': (scrub_asm_powerpc64, ASM_FUNCTION_PPC_RE),
Jonas Paulssonf20386d2017-03-17 07:11:42 +0000[diff] [blame]163 's390x': (scrub_asm_systemz, ASM_FUNCTION_SYSTEMZ_RE),
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]164 }
165 handlers = None
166 for prefix, s in target_handlers.items():
167 if triple.startswith(prefix):
168 handlers = s
169 break
170 else:
171 raise KeyError('Triple %r is not supported' % (triple))
172
173 scrubber, function_re = handlers
Eli Friedman1a9a8872016-12-19 23:09:51 +0000[diff] [blame]174 for m in function_re.finditer(raw_tool_output):
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]175 if not m:
176 continue
177 func = m.group('func')
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]178 scrubbed_body = scrubber(m.group('body'))
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]179 if func.startswith('stress'):
180 # We only use the last line of the function body for stress tests.
181 scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
182 if verbose:
183 print >>sys.stderr, 'Processing function: ' + func
184 for l in scrubbed_body.splitlines():
185 print >>sys.stderr, ' ' + l
186 for prefix in prefixes:
187 if func in func_dict[prefix] and func_dict[prefix][func] != scrubbed_body:
188 if prefix == prefixes[-1]:
189 print >>sys.stderr, ('WARNING: Found conflicting asm under the '
190 'same prefix: %r!' % (prefix,))
191 else:
192 func_dict[prefix][func] = None
193 continue
194
195 func_dict[prefix][func] = scrubbed_body
196
197
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]198def add_checks(output_lines, run_list, func_dict, func_name):
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]199 printed_prefixes = []
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]200 for p in run_list:
201 checkprefixes = p[0]
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]202 for checkprefix in checkprefixes:
203 if checkprefix in printed_prefixes:
204 break
205 if not func_dict[checkprefix][func_name]:
206 continue
207 # Add some space between different check prefixes.
208 if len(printed_prefixes) != 0:
209 output_lines.append(';')
210 printed_prefixes.append(checkprefix)
211 output_lines.append('; %s-LABEL: %s:' % (checkprefix, func_name))
212 func_body = func_dict[checkprefix][func_name].splitlines()
213 output_lines.append('; %s: %s' % (checkprefix, func_body[0]))
214 for func_line in func_body[1:]:
215 output_lines.append('; %s-NEXT: %s' % (checkprefix, func_line))
216 # Add space between different check prefixes and the first line of code.
217 # output_lines.append(';')
218 break
219 return output_lines
220
221
222def should_add_line_to_output(input_line, prefix_set):
223 # Skip any blank comment lines in the IR.
224 if input_line.strip() == ';':
225 return False
226 # Skip any blank lines in the IR.
227 #if input_line.strip() == '':
228 # return False
229 # And skip any CHECK lines. We're building our own.
230 m = CHECK_RE.match(input_line)
231 if m and m.group(1) in prefix_set:
232 return False
233
234 return True
235
236
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]237def main():
238 parser = argparse.ArgumentParser(description=__doc__)
239 parser.add_argument('-v', '--verbose', action='store_true',
240 help='Show verbose output')
241 parser.add_argument('--llc-binary', default='llc',
242 help='The "llc" binary to use to generate the test case')
243 parser.add_argument(
244 '--function', help='The function in the test file to update')
245 parser.add_argument('tests', nargs='+')
246 args = parser.parse_args()
247
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]248 autogenerated_note = ('; NOTE: Assertions have been autogenerated by '
Simon Pilgrim2b7c02a2016-06-11 20:39:21 +0000[diff] [blame]249 'utils/' + os.path.basename(__file__))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]250
251 for test in args.tests:
252 if args.verbose:
253 print >>sys.stderr, 'Scanning for RUN lines in test file: %s' % (test,)
254 with open(test) as f:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]255 input_lines = [l.rstrip() for l in f]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]256
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]257 triple_in_ir = None
258 for l in input_lines:
259 m = TRIPLE_IR_RE.match(l)
260 if m:
261 triple_in_ir = m.groups()[0]
262 break
263
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]264 raw_lines = [m.group(1)
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]265 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]266 run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
267 for l in raw_lines[1:]:
Bryant Wong507256b2016-12-29 20:05:51 +0000[diff] [blame]268 if run_lines[-1].endswith("\\"):
269 run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
270 else:
271 run_lines.append(l)
Bryant Wong291264b2016-12-29 19:32:34 +0000[diff] [blame]272
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]273 if args.verbose:
274 print >>sys.stderr, 'Found %d RUN lines:' % (len(run_lines),)
275 for l in run_lines:
276 print >>sys.stderr, ' RUN: ' + l
277
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]278 run_list = []
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]279 for l in run_lines:
Zvi Rackover35a5acf2016-11-07 17:47:21 +0000[diff] [blame]280 commands = [cmd.strip() for cmd in l.split('|', 1)]
281 llc_cmd = commands[0]
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]282
283 triple_in_cmd = None
284 m = TRIPLE_ARG_RE.search(llc_cmd)
285 if m:
286 triple_in_cmd = m.groups()[0]
287
Zvi Rackover35a5acf2016-11-07 17:47:21 +0000[diff] [blame]288 filecheck_cmd = ''
289 if len(commands) > 1:
290 filecheck_cmd = commands[1]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]291 if not llc_cmd.startswith('llc '):
292 print >>sys.stderr, 'WARNING: Skipping non-llc RUN line: ' + l
293 continue
294
295 if not filecheck_cmd.startswith('FileCheck '):
296 print >>sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
297 continue
298
299 llc_cmd_args = llc_cmd[len('llc'):].strip()
300 llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip()
301
Nikolai Bozhenov33ee40e2017-01-14 09:39:35 +0000[diff] [blame]302 check_prefixes = [item for m in CHECK_PREFIX_RE.finditer(filecheck_cmd)
303 for item in m.group(1).split(',')]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]304 if not check_prefixes:
305 check_prefixes = ['CHECK']
306
307 # FIXME: We should use multiple check prefixes to common check lines. For
308 # now, we just ignore all but the last.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]309 run_list.append((check_prefixes, llc_cmd_args, triple_in_cmd))
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]310
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]311 func_dict = {}
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]312 for p in run_list:
313 prefixes = p[0]
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]314 for prefix in prefixes:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]315 func_dict.update({prefix: dict()})
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]316 for prefixes, llc_args, triple_in_cmd in run_list:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]317 if args.verbose:
318 print >>sys.stderr, 'Extracted LLC cmd: llc ' + llc_args
319 print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]320
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]321 raw_tool_output = llc(args, llc_args, test)
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]322 if not (triple_in_cmd or triple_in_ir):
323 print >>sys.stderr, "Cannot find a triple. Assume 'x86'"
324
325 build_function_body_dictionary(raw_tool_output,
326 triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict, args.verbose)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]327
328 is_in_function = False
329 is_in_function_start = False
Zvi Rackover18082ab2016-11-07 18:08:19 +0000[diff] [blame]330 func_name = None
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]331 prefix_set = set([prefix for p in run_list for prefix in p[0]])
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]332 if args.verbose:
333 print >>sys.stderr, 'Rewriting FileCheck prefixes: %s' % (prefix_set,)
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]334 output_lines = []
335 output_lines.append(autogenerated_note)
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]336
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]337 for input_line in input_lines:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]338 if is_in_function_start:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]339 if input_line == '':
340 continue
341 if input_line.lstrip().startswith(';'):
342 m = CHECK_RE.match(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]343 if not m or m.group(1) not in prefix_set:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]344 output_lines.append(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]345 continue
346
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]347 # Print out the various check lines here.
Tim Shen53ddc1d2016-12-22 20:59:39 +0000[diff] [blame]348 output_lines = add_checks(output_lines, run_list, func_dict, func_name)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]349 is_in_function_start = False
350
351 if is_in_function:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]352 if should_add_line_to_output(input_line, prefix_set) == True:
353 # This input line of the function body will go as-is into the output.
354 output_lines.append(input_line)
355 else:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]356 continue
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]357 if input_line.strip() == '}':
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]358 is_in_function = False
359 continue
360
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]361 if input_line == autogenerated_note:
James Y Knight7c905062015-11-23 21:33:58 +0000[diff] [blame]362 continue
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]363
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]364 # If it's outside a function, it just gets copied to the output.
365 output_lines.append(input_line)
366
367 m = IR_FUNCTION_RE.match(input_line)
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]368 if not m:
369 continue
Zvi Rackover18082ab2016-11-07 18:08:19 +0000[diff] [blame]370 func_name = m.group(1)
371 if args.function is not None and func_name != args.function:
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]372 # When filtering on a specific function, skip all others.
373 continue
374 is_in_function = is_in_function_start = True
375
376 if args.verbose:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]377 print>>sys.stderr, 'Writing %d lines to %s...' % (len(output_lines), test)
378
Simon Pilgrim6b6dcc42016-01-27 21:13:18 +0000[diff] [blame]379 with open(test, 'wb') as f:
Sanjay Patelf3c5f462016-03-24 17:15:42 +0000[diff] [blame]380 f.writelines([l + '\n' for l in output_lines])
Chandler Carruth06a5dd62015-01-12 04:43:18 +0000[diff] [blame]381
382
383if __name__ == '__main__':
384 main()