llvm-project/polly/test/update_check.py

460 lines
17 KiB
Python

#! /usr/bin/env python3
# -*- coding: UTF-8 -*-
# Polly/LLVM update_check.py
# Update lit FileCheck files by replacing the 'CHECK:' lines by the actual output of the 'RUN:' command.
import argparse
import os
import subprocess
import shlex
import re
polly_src_dir = '''@POLLY_SOURCE_DIR@'''
polly_lib_dir = '''@POLLY_LIB_DIR@'''
shlibext = '''@LLVM_SHLIBEXT@'''
llvm_tools_dir = '''@LLVM_TOOLS_DIR@'''
link_polly_into_tools = not '''@LINK_POLLY_INTO_TOOLS@'''.lower() in {'','0','n','no','off','false','notfound','link_polly_into_tools-notfound'}
runre = re.compile(r'\s*\;\s*RUN\s*\:(?P<tool>.*)')
filecheckre = re.compile(r'\s*(?P<tool>.*)\|\s*(?P<filecheck>FileCheck\s[^|]*)')
emptyline = re.compile(r'\s*(\;\s*)?')
commentline = re.compile(r'\s*(\;.*)?')
def ltrim_emptylines(lines,meta=None):
while len(lines) and emptyline.fullmatch(lines[0]):
del lines[0]
if meta is not None:
del meta[0]
def rtrim_emptylines(lines):
while len(lines) and emptyline.fullmatch(lines[-1]):
del lines[-1]
def trim_emptylines(lines):
ltrim_emptylines(lines)
rtrim_emptylines(lines)
def complete_exename(path, filename):
complpath = os.path.join(path, filename)
if os.path.isfile(complpath):
return complpath
elif os.path.isfile(complpath + '.exe'):
return complpath + '.exe'
return filename
def indention(line):
for i,c in enumerate(line):
if c != ' ' and c != '\t':
return i
return None
def common_indent(lines):
indentions = (indention(line) for line in lines)
indentions = (indent for indent in indentions if indent is not None)
return min(indentions,default=0)
funcre = re.compile(r'^ Function: \S*$')
regionre = re.compile(r'^ Region: \S*$')
depthre = re.compile(r'^ Max Loop Depth: .*')
paramre = re.compile(r' [0-9a-z-A-Z_]+\: .*')
def classyfier1(lines):
i = iter(lines)
line = i.__next__()
while True:
if line.startswith("Printing analysis 'Polly - Calculate dependences' for region: "):
yield {'PrintingDependenceInfo'}
elif line.startswith("remark: "):
yield {'Remark'}
elif funcre.fullmatch(line):
yield {'Function'}
elif regionre.fullmatch(line):
yield { 'Region'}
elif depthre.fullmatch(line):
yield {'MaxLoopDepth'}
elif line == ' Invariant Accesses: {':
while True:
yield { 'InvariantAccesses'}
if line == ' }':
break
line = i.__next__()
elif line == ' Context:':
yield {'Context'}
line = i.__next__()
yield {'Context'}
elif line == ' Assumed Context:':
yield {'AssumedContext'}
line = i.__next__()
yield {'AssumedContext'}
elif line == ' Invalid Context:':
yield {'InvalidContext'}
line = i.__next__()
yield {'InvalidContext'}
elif line == ' Boundary Context:':
yield {'BoundaryContext'}
line = i.__next__()
yield {'BoundaryContext'}
line = i.__next__()
while paramre.fullmatch(line):
yield {'Param'}
line = i.__next__()
continue
elif line == ' Arrays {':
while True:
yield {'Arrays'}
if line == ' }':
break
line = i.__next__()
elif line == ' Arrays (Bounds as pw_affs) {':
while True:
yield {'PwAffArrays'}
if line == ' }':
break
line = i.__next__()
elif line.startswith(' Alias Groups ('):
while True:
yield {'AliasGroups'}
line = i.__next__()
if not line.startswith(' '):
break
continue
elif line == ' Statements {':
while True:
yield {'Statements'}
if line == ' }':
break
line = i.__next__()
elif line == ' RAW dependences:':
yield {'RAWDep','BasicDep','Dep','DepInfo'}
line = i.__next__()
while line.startswith(' '):
yield {'RAWDep','BasicDep','Dep','DepInfo'}
line = i.__next__()
continue
elif line == ' WAR dependences:':
yield {'WARDep','BasicDep','Dep','DepInfo'}
line = i.__next__()
while line.startswith(' '):
yield {'WARDep','BasicDep','Dep','DepInfo'}
line = i.__next__()
continue
elif line == ' WAW dependences:':
yield {'WAWDep','BasicDep','Dep','DepInfo'}
line = i.__next__()
while line.startswith(' '):
yield {'WAWDep','BasicDep','Dep','DepInfo'}
line = i.__next__()
continue
elif line == ' Reduction dependences:':
yield {'RedDep','Dep','DepInfo'}
line = i.__next__()
while line.startswith(' '):
yield {'RedDep','Dep','DepInfo'}
line = i.__next__()
continue
elif line == ' Transitive closure of reduction dependences:':
yield {'TransitiveClosureDep','DepInfo'}
line = i.__next__()
while line.startswith(' '):
yield {'TransitiveClosureDep','DepInfo'}
line = i.__next__()
continue
elif line.startswith("New access function '"):
yield {'NewAccessFunction'}
elif line == 'Schedule before flattening {':
while True:
yield {'ScheduleBeforeFlattening'}
if line == '}':
break
line = i.__next__()
elif line == 'Schedule after flattening {':
while True:
yield {'ScheduleAfterFlattening'}
if line == '}':
break
line = i.__next__()
else:
yield set()
line = i.__next__()
def classyfier2(lines):
i = iter(lines)
line = i.__next__()
while True:
if funcre.fullmatch(line):
while line.startswith(' '):
yield {'FunctionDetail'}
line = i.__next__()
continue
elif line.startswith("Printing analysis 'Polly - Generate an AST from the SCoP (isl)' for region: "):
yield {'PrintingIslAst'}
line = i.__next__()
while not line.startswith('Printing analysis'):
yield {'AstDetail'}
line = i.__next__()
continue
else:
yield set()
line = i.__next__()
replrepl = {'{{':'{{[{][{]}}','}}': '{{[}][}]}}', '[[':'{{\[\[}}',']]': '{{\]\]}}'}
replre = re.compile('|'.join(re.escape(k) for k in replrepl.keys()))
def main():
parser = argparse.ArgumentParser(description="Update CHECK lines")
parser.add_argument('testfile',help="File to update (absolute or relative to --testdir)")
parser.add_argument('--check-style',choices=['CHECK','CHECK-NEXT'],default='CHECK-NEXT',help="What kind of checks lines to generate")
parser.add_argument('--check-position',choices=['end','before-content','autodetect'],default='autodetect',help="Where to add the CHECK lines into the file; 'autodetect' searches for the first 'CHECK' line ind inserts it there")
parser.add_argument('--check-include',action='append',default=[], help="What parts of the output lines to check; use syntax 'CHECK=include' to apply to one CHECK-prefix only (by default, everything)")
parser.add_argument('--check-label-include',action='append',default=[],help="Use CHECK-LABEL for these includes")
parser.add_argument('--check-part-newline',action='store_true',help="Add empty line between different check parts")
parser.add_argument('--prefix-only',action='append',default=None,help="Update only these prefixes (default: all)")
parser.add_argument('--bindir',help="Location of the opt program")
parser.add_argument('--testdir',help="Root dir for unit tests")
parser.add_argument('--inplace','-i',action='store_true',help="Replace input file")
parser.add_argument('--output','-o',help="Write changed input to this file")
known = parser.parse_args()
if not known.inplace and known.output is None:
print("Must specify what to do with output (--output or --inplace)")
exit(1)
if known.inplace and known.output is not None:
print("--inplace and --output are mutually exclusive")
exit(1)
outfile = known.output
filecheckparser = argparse.ArgumentParser(add_help=False)
filecheckparser.add_argument('-check-prefix','--check-prefix',default='CHECK')
filename = known.testfile
for dir in ['.', known.testdir, os.path.join(polly_src_dir,'test'), polly_src_dir]:
if not dir:
continue
testfilename = os.path.join(dir,filename)
if os.path.isfile(testfilename):
filename = testfilename
break
if known.inplace:
outfile = filename
allchecklines = []
checkprefixes = []
with open(filename, 'r') as file:
oldlines = [line.rstrip('\r\n') for line in file.readlines()]
runlines = []
for line in oldlines:
m = runre.match(line)
if m:
runlines.append(m.group('tool'))
continuation = ''
newrunlines = []
for line in runlines:
if line.endswith('\\'):
continuation += line[:-2] + ' '
else:
newrunlines.append(continuation + line)
continuation = ''
if continuation:
newrunlines.append(continuation)
for line in newrunlines:
m = filecheckre.match(line)
if not m:
continue
tool, filecheck = m.group('tool', 'filecheck')
filecheck = shlex.split(filecheck)
tool = shlex.split(tool)
if known.bindir is not None:
tool[0] = complete_exename(known.bindir, tool[0])
if os.path.isdir(llvm_tools_dir):
tool[0] = complete_exename(llvm_tools_dir, tool[0])
check_prefix = filecheckparser.parse_known_args(filecheck)[0].check_prefix
if known.prefix_only is not None and not check_prefix in known.prefix_only:
continue
if check_prefix in checkprefixes:
continue
checkprefixes.append(check_prefix)
newtool = []
optstderr = None
for toolarg in tool:
toolarg = toolarg.replace('%s', filename)
toolarg = toolarg.replace('%S', os.path.dirname(filename))
if toolarg == '%loadPolly':
if not link_polly_into_tools:
newtool += ['-load',os.path.join(polly_lib_dir,'LLVMPolly' + shlibext)]
newtool.append('-polly-process-unprofitable')
newtool.append('-polly-remarks-minimal')
elif toolarg == '2>&1':
optstderr = subprocess.STDOUT
else:
newtool.append(toolarg)
tool = newtool
inpfile = None
i = 1
while i < len(tool):
if tool[i] == '<':
inpfile = tool[i + 1]
del tool[i:i + 2]
continue
i += 1
if inpfile:
with open(inpfile) as inp:
retlines = subprocess.check_output(tool,universal_newlines=True,stdin=inp,stderr=optstderr)
else:
retlines = subprocess.check_output(tool,universal_newlines=True,stderr=optstderr)
retlines = [line.replace('\t', ' ') for line in retlines.splitlines()]
check_include = []
for checkme in known.check_include + known.check_label_include:
parts = checkme.split('=')
if len(parts) == 2:
if parts[0] == check_prefix:
check_include.append(parts[1])
else:
check_include.append(checkme)
if check_include:
filtered_retlines = []
classified_retlines = []
lastmatch = None
for line,kind in ((line,class1.union(class2)) for line,class1,class2 in zip(retlines,classyfier1(retlines), classyfier2(retlines))):
match = kind.intersection(check_include)
if match:
if lastmatch != match:
filtered_retlines.append('')
classified_retlines.append({'Separator'})
filtered_retlines.append(line)
classified_retlines.append(kind)
lastmatch = match
retlines = filtered_retlines
else:
classified_retlines = (set() for line in retlines)
rtrim_emptylines(retlines)
ltrim_emptylines(retlines,classified_retlines)
retlines = [replre.sub(lambda m: replrepl[m.group(0)], line) for line in retlines]
indent = common_indent(retlines)
retlines = [line[indent:] for line in retlines]
checklines = []
previous_was_empty = True
for line,kind in zip(retlines,classified_retlines):
if line:
if known.check_style == 'CHECK' and known.check_label_include:
if not kind.isdisjoint(known.check_label_include):
checklines.append('; ' + check_prefix + '-LABEL: ' + line)
else:
checklines.append('; ' + check_prefix + ': ' + line)
elif known.check_style == 'CHECK':
checklines.append('; ' + check_prefix + ': ' + line)
elif known.check_label_include and known.check_label_include:
if not kind.isdisjoint(known.check_label_include):
checklines.append('; ' + check_prefix + '-LABEL: ' + line)
elif previous_was_empty:
checklines.append('; ' + check_prefix + ': ' + line)
else:
checklines.append('; ' + check_prefix + '-NEXT: ' + line)
else:
if previous_was_empty:
checklines.append('; ' + check_prefix + ': ' + line)
else:
checklines.append('; ' + check_prefix + '-NEXT: ' + line)
previous_was_empty = False
else:
if not 'Separator' in kind or known.check_part_newline:
checklines.append(';')
previous_was_empty = True
allchecklines.append(checklines)
if not checkprefixes:
return
checkre = re.compile(r'^\s*\;\s*(' + '|'.join([re.escape(s) for s in checkprefixes]) + ')(\-NEXT|\-DAG|\-NOT|\-LABEL|\-SAME)?\s*\:')
firstcheckline = None
firstnoncommentline = None
headerlines = []
newlines = []
uptonowlines = []
emptylines = []
lastwascheck = False
for line in oldlines:
if checkre.match(line):
if firstcheckline is None:
firstcheckline = len(newlines) + len(emptylines)
if not lastwascheck:
uptonowlines += emptylines
emptylines = []
lastwascheck = True
elif emptyline.fullmatch(line):
emptylines.append(line)
else:
newlines += uptonowlines
newlines += emptylines
newlines.append(line)
emptylines = []
uptonowlines = []
lastwascheck = False
for i,line in enumerate(newlines):
if not commentline.fullmatch(line):
firstnoncommentline = i
break
with open(outfile,'w',newline='') as file:
def writelines(lines):
for line in lines:
file.write(line)
file.write('\n')
if firstcheckline is not None and known.check_position == 'autodetect':
writelines(newlines[:firstcheckline])
writelines(uptonowlines)
for i,checklines in enumerate(allchecklines):
if i != 0:
file.write('\n')
writelines(checklines)
writelines(newlines[firstcheckline:])
writelines(emptylines)
elif firstnoncommentline is not None and known.check_position == 'before-content':
headerlines = newlines[:firstnoncommentline]
rtrim_emptylines(headerlines)
contentlines = newlines[firstnoncommentline:]
ltrim_emptylines(contentlines)
writelines(headerlines)
for checklines in allchecklines:
file.write('\n')
writelines(checklines)
file.write('\n')
writelines(contentlines)
writelines(uptonowlines)
writelines(emptylines)
else:
writelines(newlines)
rtrim_emptylines(newlines)
for checklines in allchecklines:
file.write('\n\n')
writelines(checklines)
if __name__ == '__main__':
main()