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llvm-original-di-preservation.py
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#!/usr/bin/env python
#
# Debugify summary for the original debug info testing.
#
from __future__ import print_function
import argparse
import os
import sys
from json import loads
from collections import defaultdict
from collections import OrderedDict
class DILocBug:
def __init__(self, action, bb_name, fn_name, instr):
self.action = action
self.bb_name = bb_name
self.fn_name = fn_name
self.instr = instr
def __str__(self):
return self.action + self.bb_name + self.fn_name + self.instr
class DISPBug:
def __init__(self, action, fn_name):
self.action = action
self.fn_name = fn_name
def __str__(self):
return self.action + self.fn_name
class DIVarBug:
def __init__(self, action, name, fn_name):
self.action = action
self.name = name
self.fn_name = fn_name
def __str__(self):
return self.action + self.name + self.fn_name
# Report the bugs in form of html.
def generate_html_report(
di_location_bugs,
di_subprogram_bugs,
di_var_bugs,
di_location_bugs_summary,
di_sp_bugs_summary,
di_var_bugs_summary,
html_file,
):
fileout = open(html_file, "w")
html_header = """ <html>
<head>
<style>
table, th, td {
border: 1px solid black;
}
table.center {
margin-left: auto;
margin-right: auto;
}
</style>
</head>
<body>
"""
# Create the table for Location bugs.
table_title_di_loc = "Location Bugs found by the Debugify"
table_di_loc = """<table>
<caption><b>{}</b></caption>
<tr>
""".format(
table_title_di_loc
)
header_di_loc = [
"File",
"LLVM Pass Name",
"LLVM IR Instruction",
"Function Name",
"Basic Block Name",
"Action",
]
for column in header_di_loc:
table_di_loc += " <th>{0}</th>\n".format(column.strip())
table_di_loc += " </tr>\n"
at_least_one_bug_found = False
# Handle loction bugs.
for file, per_file_bugs in di_location_bugs.items():
for llvm_pass, per_pass_bugs in per_file_bugs.items():
# No location bugs for the pass.
if len(per_pass_bugs) == 0:
continue
at_least_one_bug_found = True
row = []
table_di_loc += " </tr>\n"
# Get the bugs info.
for x in per_pass_bugs:
row.append(" <tr>\n")
row.append(file)
row.append(llvm_pass)
row.append(x.instr)
row.append(x.fn_name)
row.append(x.bb_name)
row.append(x.action)
row.append(" </tr>\n")
# Dump the bugs info into the table.
for column in row:
# The same file-pass pair can have multiple bugs.
if column == " <tr>\n" or column == " </tr>\n":
table_di_loc += column
continue
table_di_loc += " <td>{0}</td>\n".format(column.strip())
table_di_loc += " <tr>\n"
if not at_least_one_bug_found:
table_di_loc += """ <tr>
<td colspan='7'> No bugs found </td>
</tr>
"""
table_di_loc += "</table>\n"
# Create the summary table for the loc bugs.
table_title_di_loc_sum = "Summary of Location Bugs"
table_di_loc_sum = """<table>
<caption><b>{}</b></caption>
<tr>
""".format(
table_title_di_loc_sum
)
header_di_loc_sum = ["LLVM Pass Name", "Number of bugs"]
for column in header_di_loc_sum:
table_di_loc_sum += " <th>{0}</th>\n".format(column.strip())
table_di_loc_sum += " </tr>\n"
# Print the summary.
row = []
for llvm_pass, num in sorted(di_location_bugs_summary.items()):
row.append(" <tr>\n")
row.append(llvm_pass)
row.append(str(num))
row.append(" </tr>\n")
for column in row:
if column == " <tr>\n" or column == " </tr>\n":
table_di_loc_sum += column
continue
table_di_loc_sum += " <td>{0}</td>\n".format(column.strip())
table_di_loc_sum += " <tr>\n"
if not at_least_one_bug_found:
table_di_loc_sum += """<tr>
<td colspan='2'> No bugs found </td>
</tr>
"""
table_di_loc_sum += "</table>\n"
# Create the table for SP bugs.
table_title_di_sp = "SP Bugs found by the Debugify"
table_di_sp = """<table>
<caption><b>{}</b></caption>
<tr>
""".format(
table_title_di_sp
)
header_di_sp = ["File", "LLVM Pass Name", "Function Name", "Action"]
for column in header_di_sp:
table_di_sp += " <th>{0}</th>\n".format(column.strip())
table_di_sp += " </tr>\n"
at_least_one_bug_found = False
# Handle fn bugs.
for file, per_file_bugs in di_subprogram_bugs.items():
for llvm_pass, per_pass_bugs in per_file_bugs.items():
# No SP bugs for the pass.
if len(per_pass_bugs) == 0:
continue
at_least_one_bug_found = True
row = []
table_di_sp += " </tr>\n"
# Get the bugs info.
for x in per_pass_bugs:
row.append(" <tr>\n")
row.append(file)
row.append(llvm_pass)
row.append(x.fn_name)
row.append(x.action)
row.append(" </tr>\n")
# Dump the bugs info into the table.
for column in row:
# The same file-pass pair can have multiple bugs.
if column == " <tr>\n" or column == " </tr>\n":
table_di_sp += column
continue
table_di_sp += " <td>{0}</td>\n".format(column.strip())
table_di_sp += " <tr>\n"
if not at_least_one_bug_found:
table_di_sp += """<tr>
<td colspan='4'> No bugs found </td>
</tr>
"""
table_di_sp += "</table>\n"
# Create the summary table for the sp bugs.
table_title_di_sp_sum = "Summary of SP Bugs"
table_di_sp_sum = """<table>
<caption><b>{}</b></caption>
<tr>
""".format(
table_title_di_sp_sum
)
header_di_sp_sum = ["LLVM Pass Name", "Number of bugs"]
for column in header_di_sp_sum:
table_di_sp_sum += " <th>{0}</th>\n".format(column.strip())
table_di_sp_sum += " </tr>\n"
# Print the summary.
row = []
for llvm_pass, num in sorted(di_sp_bugs_summary.items()):
row.append(" <tr>\n")
row.append(llvm_pass)
row.append(str(num))
row.append(" </tr>\n")
for column in row:
if column == " <tr>\n" or column == " </tr>\n":
table_di_sp_sum += column
continue
table_di_sp_sum += " <td>{0}</td>\n".format(column.strip())
table_di_sp_sum += " <tr>\n"
if not at_least_one_bug_found:
table_di_sp_sum += """<tr>
<td colspan='2'> No bugs found </td>
</tr>
"""
table_di_sp_sum += "</table>\n"
# Create the table for Variable bugs.
table_title_di_var = "Variable Location Bugs found by the Debugify"
table_di_var = """<table>
<caption><b>{}</b></caption>
<tr>
""".format(
table_title_di_var
)
header_di_var = ["File", "LLVM Pass Name", "Variable", "Function", "Action"]
for column in header_di_var:
table_di_var += " <th>{0}</th>\n".format(column.strip())
table_di_var += " </tr>\n"
at_least_one_bug_found = False
# Handle var bugs.
for file, per_file_bugs in di_var_bugs.items():
for llvm_pass, per_pass_bugs in per_file_bugs.items():
# No SP bugs for the pass.
if len(per_pass_bugs) == 0:
continue
at_least_one_bug_found = True
row = []
table_di_var += " </tr>\n"
# Get the bugs info.
for x in per_pass_bugs:
row.append(" <tr>\n")
row.append(file)
row.append(llvm_pass)
row.append(x.name)
row.append(x.fn_name)
row.append(x.action)
row.append(" </tr>\n")
# Dump the bugs info into the table.
for column in row:
# The same file-pass pair can have multiple bugs.
if column == " <tr>\n" or column == " </tr>\n":
table_di_var += column
continue
table_di_var += " <td>{0}</td>\n".format(column.strip())
table_di_var += " <tr>\n"
if not at_least_one_bug_found:
table_di_var += """<tr>
<td colspan='4'> No bugs found </td>
</tr>
"""
table_di_var += "</table>\n"
# Create the summary table for the sp bugs.
table_title_di_var_sum = "Summary of Variable Location Bugs"
table_di_var_sum = """<table>
<caption><b>{}</b></caption>
<tr>
""".format(
table_title_di_var_sum
)
header_di_var_sum = ["LLVM Pass Name", "Number of bugs"]
for column in header_di_var_sum:
table_di_var_sum += " <th>{0}</th>\n".format(column.strip())
table_di_var_sum += " </tr>\n"
# Print the summary.
row = []
for llvm_pass, num in sorted(di_var_bugs_summary.items()):
row.append(" <tr>\n")
row.append(llvm_pass)
row.append(str(num))
row.append(" </tr>\n")
for column in row:
if column == " <tr>\n" or column == " </tr>\n":
table_di_var_sum += column
continue
table_di_var_sum += " <td>{0}</td>\n".format(column.strip())
table_di_var_sum += " <tr>\n"
if not at_least_one_bug_found:
table_di_var_sum += """<tr>
<td colspan='2'> No bugs found </td>
</tr>
"""
table_di_var_sum += "</table>\n"
# Finish the html page.
html_footer = """</body>
</html>"""
new_line = "<br>\n"
fileout.writelines(html_header)
fileout.writelines(table_di_loc)
fileout.writelines(new_line)
fileout.writelines(table_di_loc_sum)
fileout.writelines(new_line)
fileout.writelines(new_line)
fileout.writelines(table_di_sp)
fileout.writelines(new_line)
fileout.writelines(table_di_sp_sum)
fileout.writelines(new_line)
fileout.writelines(new_line)
fileout.writelines(table_di_var)
fileout.writelines(new_line)
fileout.writelines(table_di_var_sum)
fileout.writelines(html_footer)
fileout.close()
print("The " + html_file + " generated.")
# Read the JSON file in chunks.
def get_json_chunk(file, start, size):
json_parsed = None
di_checker_data = []
skipped_lines = 0
line = 0
# The file contains json object per line.
# An example of the line (formatted json):
# {
# "file": "simple.c",
# "pass": "Deduce function attributes in RPO",
# "bugs": [
# [
# {
# "action": "drop",
# "metadata": "DISubprogram",
# "name": "fn2"
# },
# {
# "action": "drop",
# "metadata": "DISubprogram",
# "name": "fn1"
# }
# ]
# ]
# }
with open(file) as json_objects_file:
for json_object_line in json_objects_file:
line += 1
if line < start:
continue
if line >= start + size:
break
try:
json_object = loads(json_object_line)
except:
skipped_lines += 1
else:
di_checker_data.append(json_object)
return (di_checker_data, skipped_lines, line)
# Parse the program arguments.
def parse_program_args(parser):
parser.add_argument("file_name", type=str, help="json file to process")
parser.add_argument("html_file", type=str, help="html file to output data")
parser.add_argument(
"-compress", action="store_true", help="create reduced html report"
)
return parser.parse_args()
def Main():
parser = argparse.ArgumentParser()
opts = parse_program_args(parser)
if not opts.html_file.endswith(".html"):
print("error: The output file must be '.html'.")
sys.exit(1)
# Use the defaultdict in order to make multidim dicts.
di_location_bugs = defaultdict(lambda: defaultdict(dict))
di_subprogram_bugs = defaultdict(lambda: defaultdict(dict))
di_variable_bugs = defaultdict(lambda: defaultdict(dict))
# Use the ordered dict to make a summary.
di_location_bugs_summary = OrderedDict()
di_sp_bugs_summary = OrderedDict()
di_var_bugs_summary = OrderedDict()
# Compress similar bugs.
# DILocBugs with same pass & instruction name.
di_loc_pass_instr_set = set()
# DISPBugs with same pass & function name.
di_sp_pass_fn_set = set()
# DIVarBugs with same pass & variable name.
di_var_pass_var_set = set()
start_line = 0
chunk_size = 1000000
end_line = chunk_size - 1
skipped_lines = 0
skipped_bugs = 0
# Process each chunk of 1 million JSON lines.
while True:
if start_line > end_line:
break
(debug_info_bugs, skipped, end_line) = get_json_chunk(
opts.file_name, start_line, chunk_size
)
start_line += chunk_size
skipped_lines += skipped
# Map the bugs into the file-pass pairs.
for bugs_per_pass in debug_info_bugs:
try:
bugs_file = bugs_per_pass["file"]
bugs_pass = bugs_per_pass["pass"]
bugs = bugs_per_pass["bugs"][0]
except:
skipped_lines += 1
continue
di_loc_bugs = []
di_sp_bugs = []
di_var_bugs = []
# Omit duplicated bugs.
di_loc_set = set()
di_sp_set = set()
di_var_set = set()
for bug in bugs:
try:
bugs_metadata = bug["metadata"]
except:
skipped_bugs += 1
continue
if bugs_metadata == "DILocation":
try:
action = bug["action"]
bb_name = bug["bb-name"]
fn_name = bug["fn-name"]
instr = bug["instr"]
except:
skipped_bugs += 1
continue
di_loc_bug = DILocBug(action, bb_name, fn_name, instr)
if not str(di_loc_bug) in di_loc_set:
di_loc_set.add(str(di_loc_bug))
if opts.compress:
pass_instr = bugs_pass + instr
if not pass_instr in di_loc_pass_instr_set:
di_loc_pass_instr_set.add(pass_instr)
di_loc_bugs.append(di_loc_bug)
else:
di_loc_bugs.append(di_loc_bug)
# Fill the summary dict.
if bugs_pass in di_location_bugs_summary:
di_location_bugs_summary[bugs_pass] += 1
else:
di_location_bugs_summary[bugs_pass] = 1
elif bugs_metadata == "DISubprogram":
try:
action = bug["action"]
name = bug["name"]
except:
skipped_bugs += 1
continue
di_sp_bug = DISPBug(action, name)
if not str(di_sp_bug) in di_sp_set:
di_sp_set.add(str(di_sp_bug))
if opts.compress:
pass_fn = bugs_pass + name
if not pass_fn in di_sp_pass_fn_set:
di_sp_pass_fn_set.add(pass_fn)
di_sp_bugs.append(di_sp_bug)
else:
di_sp_bugs.append(di_sp_bug)
# Fill the summary dict.
if bugs_pass in di_sp_bugs_summary:
di_sp_bugs_summary[bugs_pass] += 1
else:
di_sp_bugs_summary[bugs_pass] = 1
elif bugs_metadata == "dbg-var-intrinsic":
try:
action = bug["action"]
fn_name = bug["fn-name"]
name = bug["name"]
except:
skipped_bugs += 1
continue
di_var_bug = DIVarBug(action, name, fn_name)
if not str(di_var_bug) in di_var_set:
di_var_set.add(str(di_var_bug))
if opts.compress:
pass_var = bugs_pass + name
if not pass_var in di_var_pass_var_set:
di_var_pass_var_set.add(pass_var)
di_var_bugs.append(di_var_bug)
else:
di_var_bugs.append(di_var_bug)
# Fill the summary dict.
if bugs_pass in di_var_bugs_summary:
di_var_bugs_summary[bugs_pass] += 1
else:
di_var_bugs_summary[bugs_pass] = 1
else:
# Unsupported metadata.
skipped_bugs += 1
continue
di_location_bugs[bugs_file][bugs_pass] = di_loc_bugs
di_subprogram_bugs[bugs_file][bugs_pass] = di_sp_bugs
di_variable_bugs[bugs_file][bugs_pass] = di_var_bugs
generate_html_report(
di_location_bugs,
di_subprogram_bugs,
di_variable_bugs,
di_location_bugs_summary,
di_sp_bugs_summary,
di_var_bugs_summary,
opts.html_file,
)
if skipped_lines > 0:
print("Skipped lines: " + str(skipped_lines))
if skipped_bugs > 0:
print("Skipped bugs: " + str(skipped_bugs))
if __name__ == "__main__":
Main()
sys.exit(0)