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67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
//===- bugpoint.cpp - The LLVM Bugpoint utility ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This program is an automated compiler debugger tool. It is used to narrow
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// down miscompilations and crash problems to a specific pass in the compiler,
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// and the specific Module or Function input that is causing the problem.
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//
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//===----------------------------------------------------------------------===//
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#include "BugDriver.h"
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#include "llvm/Support/PassNameParser.h"
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#include "llvm/Support/ToolRunner.h"
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#include "Support/CommandLine.h"
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#include "Support/Signals.h"
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#include "Config/unistd.h"
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#include <sys/resource.h>
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using namespace llvm;
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static cl::list<std::string>
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InputFilenames(cl::Positional, cl::OneOrMore,
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cl::desc("<input llvm ll/bc files>"));
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// The AnalysesList is automatically populated with registered Passes by the
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// PassNameParser.
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//
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static cl::list<const PassInfo*, bool, PassNameParser>
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PassList(cl::desc("Passes available:"), cl::ZeroOrMore);
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int main(int argc, char **argv) {
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cl::ParseCommandLineOptions(argc, argv,
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" LLVM automatic testcase reducer. See\nhttp://"
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"llvm.cs.uiuc.edu/docs/CommandGuide/bugpoint.html"
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" for more information.\n");
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PrintStackTraceOnErrorSignal();
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BugDriver D(argv[0]);
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if (D.addSources(InputFilenames)) return 1;
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D.addPasses(PassList.begin(), PassList.end());
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// Bugpoint has the ability of generating a plethora of core files, so to
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// avoid filling up the disk, set the max core file size to 0.
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struct rlimit rlim;
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rlim.rlim_cur = rlim.rlim_max = 0;
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int res = setrlimit(RLIMIT_CORE, &rlim);
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if (res < 0) {
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// setrlimit() may have failed, but we're not going to let that stop us
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perror("setrlimit: RLIMIT_CORE");
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}
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try {
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return D.run();
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} catch (ToolExecutionError &TEE) {
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std::cerr << "Tool execution error: " << TEE.what() << "\n";
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return 1;
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} catch (...) {
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std::cerr << "Whoops, an exception leaked out of bugpoint. "
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<< "This is a bug in bugpoint!\n";
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return 1;
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}
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}
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