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bugpoint: Add -suffix option

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Allows for adding a suffix to the `bugpoint-case` file name so that multiple `bugpoint`s can run in the same directory, e.g. during a `make test -j4`.
This commit is contained in:
Krystine Sherwin 2025-07-29 11:39:52 +12:00
parent 93f7429f4f
commit d3ff803b81
No known key found for this signature in database
1 changed files with 39 additions and 22 deletions
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61
passes/cmds/bugpoint.cc
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@ -81,6 +81,10 @@ struct BugpointPass : public Pass {
log(" only consider crashes that print this string on stderr. useful for\n");
log(" errors outside of yosys.\n");
log("\n");
log(" -suffix \"<string>\"\n");
log(" add suffix to generated file names. useful when running more than one\n");
log(" instance of bugpoint in the same directory. limited to 8 characters.\n");
log("\n");
log("It is possible to constrain which parts of the design will be considered for\n");
log("removal. Unless one or more of the following options are specified, all parts\n");
log("will be considered.\n");
@ -116,16 +120,20 @@ struct BugpointPass : public Pass {
log("\n");
}
int run_yosys(RTLIL::Design *design, string runner, string yosys_cmd, string yosys_arg, bool catch_err)
int run_yosys(RTLIL::Design *design, string runner, string yosys_cmd, string yosys_arg, string suffix, bool catch_err)
{
design->sort();
std::ofstream f("bugpoint-case.il");
string bugpoint_file = "bugpoint-case";
if (suffix.size())
bugpoint_file += stringf(".%.8s", suffix.c_str());
std::ofstream f(bugpoint_file + ".il");
RTLIL_BACKEND::dump_design(f, design, /*only_selected=*/false, /*flag_m=*/true, /*flag_n=*/false);
f.close();
string yosys_cmdline = stringf("%s %s -qq -L bugpoint-case.log %s bugpoint-case.il", runner.c_str(), yosys_cmd.c_str(), yosys_arg.c_str());
if (catch_err) yosys_cmdline += " 2>bugpoint-case.err";
string yosys_cmdline = stringf("%s %s -qq -L %s.log %s %s.il", runner.c_str(), yosys_cmd.c_str(), bugpoint_file.c_str(), yosys_arg.c_str(), bugpoint_file.c_str());
if (catch_err) yosys_cmdline += stringf(" 2>%s.err", bugpoint_file.c_str());
auto status = run_command(yosys_cmdline);
// we're not processing lines, which means we're getting raw system() returns
if(WIFEXITED(status))
@ -138,7 +146,7 @@ struct BugpointPass : public Pass {
return 0;
}
bool check_logfile(string grep, bool err=false)
bool check_logfile(string grep, string suffix, bool err=false)
{
if (grep.empty())
return true;
@ -146,11 +154,12 @@ struct BugpointPass : public Pass {
if (grep.size() > 2 && grep.front() == '"' && grep.back() == '"')
grep = grep.substr(1, grep.size() - 2);
std::ifstream f;
if (err)
f = std::ifstream("bugpoint-case.err");
else
f = std::ifstream("bugpoint-case.log");
string bugpoint_file = "bugpoint-case";
if (suffix.size())
bugpoint_file += stringf(".%.8s", suffix.c_str());
bugpoint_file += err ? ".err" : ".log";
std::ifstream f(bugpoint_file);
while (!f.eof())
{
@ -162,9 +171,9 @@ struct BugpointPass : public Pass {
return false;
}
bool check_logfiles(string grep, string err_grep)
bool check_logfiles(string grep, string err_grep, string suffix)
{
return check_logfile(grep) && check_logfile(err_grep, true);
return check_logfile(grep, suffix) && check_logfile(err_grep, suffix, true);
}
RTLIL::Design *clean_design(RTLIL::Design *design, bool do_clean = true, bool do_delete = false)
@ -441,7 +450,7 @@ struct BugpointPass : public Pass {
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
string yosys_cmd = "yosys", yosys_arg, grep, err_grep, runner;
string yosys_cmd = "yosys", yosys_arg, grep, err_grep, runner, suffix;
bool flag_expect_return = false, has_check = false, check_err = false;
int expect_return_value = 0;
bool fast = false, clean = false;
@ -545,6 +554,14 @@ struct BugpointPass : public Pass {
}
continue;
}
if (args[argidx] == "-suffix" && argidx + 1 < args.size()) {
suffix = args[++argidx];
if (suffix.size() && suffix.at(0) == '"') {
log_assert(suffix.back() == '"');
suffix = suffix.substr(1, suffix.size() - 2);
}
continue;
}
break;
}
extra_args(args, argidx, design);
@ -571,14 +588,14 @@ struct BugpointPass : public Pass {
log_cmd_error("This command only operates on fully selected designs!\n");
RTLIL::Design *crashing_design = clean_design(design, clean);
int retval = run_yosys(crashing_design, runner, yosys_cmd, yosys_arg, check_err);
int retval = run_yosys(crashing_design, runner, yosys_cmd, yosys_arg, suffix, check_err);
if (flag_expect_return && retval != expect_return_value)
log_cmd_error("The provided script file or command and Yosys binary returned value %d instead of expected %d on this design!\n", retval, expect_return_value);
if (!flag_expect_return && retval == 0)
log_cmd_error("The provided script file or command and Yosys binary do not crash on this design!\n");
if (!check_logfile(grep))
if (!check_logfile(grep, suffix))
log_cmd_error("The provided grep string is not found in the log file!\n");
if (!check_logfile(err_grep, true))
if (!check_logfile(err_grep, suffix, true))
log_cmd_error("The provided grep string is not found in stderr log!\n");
int seed = 0;
@ -592,30 +609,30 @@ struct BugpointPass : public Pass {
if (clean)
{
RTLIL::Design *testcase = clean_design(simplified);
retval = run_yosys(testcase, runner, yosys_cmd, yosys_arg, check_err);
retval = run_yosys(testcase, runner, yosys_cmd, yosys_arg, suffix, check_err);
delete testcase;
}
else
{
retval = run_yosys(simplified, runner, yosys_cmd, yosys_arg, check_err);
retval = run_yosys(simplified, runner, yosys_cmd, yosys_arg, suffix, check_err);
}
bool crashes = false;
if (flag_expect_return && retval == expect_return_value && check_logfiles(grep, err_grep))
if (flag_expect_return && retval == expect_return_value && check_logfiles(grep, err_grep, suffix))
{
log("Testcase matches expected crash.\n");
crashes = true;
}
else if (!flag_expect_return && retval == 0)
log("Testcase does not crash.\n");
else if (!flag_expect_return && check_logfiles(grep, err_grep))
else if (!flag_expect_return && check_logfiles(grep, err_grep, suffix))
{
log("Testcase crashes.\n");
crashes = true;
}
else
// flag_expect_return && !(retval == expect_return_value && check_logfiles(grep, err_grep))
// !flag_expect_return && !(retval == 0 && check_logfiles(grep, err_grep))
// flag_expect_return && !(retval == expect_return_value && check_logfiles(grep, err_grep, suffix))
// !flag_expect_return && !(retval == 0 && check_logfiles(grep, err_grep, suffix))
log("Testcase does not match expected crash.\n");
if (crashes)