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inconsis_trace.py
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""" Test: try to find a missed optimization opportunity example """
import os
import re
import sys
import utils
import profile
import trace_consistency
def get_one_csmith(c_path: str):
utils.csmith_generate(c_path) # with size limit
while not utils.udf_checking(c_path) or not utils.crash_checking(c_path, opt_level='-O0'): # undefined behaviour check
utils.csmith_generate(c_path)
def main():
file_idx = 261
while file_idx < 1001:
c_path = os.path.join('./inconsis_trace/testcases', 'test{}.c'.format(file_idx))
get_one_csmith(c_path)
glob_correct, func_correct, glob_perf, func_perf = trace_consistency.trace_check(c_path, clang_opt_level='-O0', emcc_opt_level='-O2')
output1, status = utils.run_single_prog("./inconsis_trace/testcases/test{}.out".format(file_idx))
output2, status = utils.run_single_prog("node ./inconsis_trace/testcases/test{}.js".format(file_idx))
if len(glob_correct) == 0 and len(func_correct) == 0:
if output1.strip() != output2.strip():
status, output = utils.cmd(
"cp ./inconsis_trace/testcases/test{}.c ./inconsis_trace/FNs/test{}.c".format(file_idx, file_idx))
else:
if output1.strip() != output2.strip():
status, output = utils.cmd("cp ./inconsis_trace/testcases/test{}.c ./inconsis_trace/bug_cases/test{}.c".format(file_idx, file_idx))
else:
status, output = utils.cmd(
"cp ./inconsis_trace/testcases/test{}.c ./inconsis_trace/FPs/test{}.c".format(file_idx, file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/test{}.c.*".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/test{}.out".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/*.js".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/*.wasm".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/*.wat".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/*.dwarf".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/testcases/*.trace".format(file_idx))
file_idx += 1
print(file_idx)
def fix_recheck():
fixed_list = []
file_idx = 0
while file_idx < 270:
c_path = os.path.join('./inconsis_trace/FPs', 'test{}.c'.format(file_idx))
if not os.path.exists(c_path):
file_idx += 1
continue
# get_one_csmith(c_path)
glob_correct, func_correct, glob_perf, func_perf = trace_consistency.trace_check(c_path, clang_opt_level='-O0', emcc_opt_level='-O2')
output1, status = utils.run_single_prog("./inconsis_trace/FPs/test{}.out".format(file_idx))
output2, status = utils.run_single_prog("node ./inconsis_trace/FPs/test{}.js".format(file_idx))
if len(glob_correct) == 0 and len(func_correct) == 0:
fixed_list.append(file_idx)
else:
print(file_idx)
status, output = utils.cmd("rm ./inconsis_trace/FPs/test{}.c.*".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/FPs/test{}.out".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/FPs/*.js".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/FPs/*.wasm".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/FPs/*.wat".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/FPs/*.dwarf".format(file_idx))
status, output = utils.cmd("rm ./inconsis_trace/FPs/*.trace".format(file_idx))
file_idx += 1
print(fixed_list)
def m32_check(dir_path: str):
# Re-run the experiment with -m32 option
fp_list = [] # False Positives due to w/o -m32 option
tp_list = []
file_idx = 0 # 1634 floating point exception
while file_idx < 2000:
c_path = os.path.join(dir_path, 'test{}.c'.format(file_idx))
if not os.path.exists(c_path):
file_idx += 1
continue
glob_correct, func_correct, glob_perf, func_perf = trace_consistency.trace_check(c_path, clang_opt_level='-O0', emcc_opt_level='-O2')
if len(glob_correct) == 0 and len(func_correct) == 0 and len(glob_perf) == 0 and len(func_perf) == 0:
utils.cmd("mv {} {}".format(c_path, os.path.join(dir_path, "m32_FPs")))
fp_list.append(file_idx)
else:
tp_list.append(file_idx)
file_idx += 1
print("fp_list: {}\n{}".format(len(fp_list), fp_list))
print("tp_list: {}\n{}".format(len(tp_list), tp_list))
def main_emi(dir_path="/home/tester/Documents/EMI/DecFuzzer/testcases_emi"):
for i in range(200):
for j in range(10):
c_path = os.path.join(dir_path, 'test{}-{}.c'.format(i, j))
out_path = c_path[:-2] + '.out'
js_path = c_path[:-2] + '.js'
glob_correct, func_correct, glob_perf, func_perf = trace_consistency.trace_check(c_path,
clang_opt_level='-O0',
emcc_opt_level='-O2')
wasm_path, js_path, wasm_dwarf_txt_path = profile.emscripten_dwarf(c_path, opt_level='-O2')
output1, status = utils.run_single_prog(out_path)
output2, status = utils.run_single_prog("node {}".format(js_path))
if len(glob_correct) == 0 and len(func_correct) == 0:
if output1.strip() != output2.strip():
f1 = os.path.join(dir_path + '/func_bug_FNs', 'test{}-{}.c'.format(i, j))
status, output = utils.cmd("cp {} {}".format(c_path, f1))
else:
if output1.strip() != output2.strip():
f1 = os.path.join(dir_path + '/func_bug_clang15', 'test{}-{}.c'.format(i, j))
status, output = utils.cmd("cp {} {}".format(c_path, f1))
else:
f1 = os.path.join(dir_path + '/func_bug_FPs', 'test{}-{}.c'.format(i, j))
status, output = utils.cmd("cp {} {}".format(c_path, f1))
def main_emi_opt(dir_path="/home/tester/Documents/EMI/DecFuzzer/testcases_emi"):
for i in range(200):
for j in range(10):
c_path = os.path.join(dir_path, 'test{}-{}.c'.format(i, j))
out_path = c_path[:-2] + '.out'
js_path = c_path[:-2] + '.js'
glob_correct, func_correct, glob_perf, func_perf = trace_consistency.trace_check(c_path, clang_opt_level='-O3', emcc_opt_level='-O3')
wasm_path, js_path, wasm_dwarf_txt_path = profile.emscripten_dwarf(c_path, opt_level='-O3')
output1, status = utils.run_single_prog(out_path)
output2, status = utils.run_single_prog("node {}".format(js_path))
if len(glob_correct) == 0 and len(func_correct) == 0:
if len(glob_perf) != 0 or len(func_perf) != 0:
f1 = os.path.join(dir_path + '/under_opt_clang15', 'test{}-{}.c'.format(i, j))
status, output = utils.cmd("cp {} {}".format(c_path, f1))
else:
if output1.strip() != output2.strip():
pass
# f1 = os.path.join(dir_path + '/func_bug_clang15', 'test{}-{}.c'.format(i, j))
# status, output = utils.cmd("cp {} {}".format(c_path, f1))
else:
f1 = os.path.join(dir_path + '/func_bug_O3_FPs', 'test{}-{}.c'.format(i, j))
status, output = utils.cmd("cp {} {}".format(c_path, f1))
if __name__ == '__main__':
# fix_recheck()
# m32_check("./debug_cases/")
# exit(0)
# main()
main_emi_opt()