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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Command script without compiler support for pass level bisection.
This script generates a pseudo log which a workable compiler should print out.
It assumes that -opt-bisect-limit and -print-debug-counter are supported by the
compiler.
"""
import os
import sys
from binary_search_tool.test import common
def Main(argv):
if not os.path.exists("./is_setup"):
return 1
if len(argv) != 3:
return 1
limit_flags = os.environ["LIMIT_FLAGS"]
opt_bisect_exist = False
debug_counter_exist = False
for option in limit_flags.split():
if "-opt-bisect-limit" in option:
opt_bisect_limit = int(option.split("=")[-1])
opt_bisect_exist = True
if "-debug-counter=" in option:
debug_counter = int(option.split("=")[-1])
debug_counter_exist = True
if not opt_bisect_exist:
return 1
# Manually set total number and bad number
total_pass = 10
total_transform = 20
bad_pass = int(argv[1])
bad_transform = int(argv[2])
if opt_bisect_limit == -1:
opt_bisect_limit = total_pass
for i in range(1, total_pass + 1):
bisect_str = (
"BISECT: %srunning pass (%d) Combine redundant "
"instructions on function (f1)"
% ("NOT " if i > opt_bisect_limit else "", i)
)
print(bisect_str, file=sys.stderr)
if debug_counter_exist:
print("Counters and values:", file=sys.stderr)
print(
"instcombine-visit : {%d, 0, %d}"
% (total_transform, debug_counter),
file=sys.stderr,
)
if opt_bisect_limit > bad_pass or (
debug_counter_exist and debug_counter > bad_transform
):
common.WriteWorkingSet([1])
else:
common.WriteWorkingSet([0])
return 0
if __name__ == "__main__":
retval = Main(sys.argv)
sys.exit(retval)
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