//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "BugDriver.h"
#include "ToolRunner.h"
-#include "llvm/Analysis/LinkAllAnalyses.h"
-#include "llvm/Transforms/LinkAllPasses.h"
+#include "llvm/LinkAllPasses.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/StandardPasses.h"
#include "llvm/System/Process.h"
#include "llvm/System/Signals.h"
#include "llvm/LinkAllVMCore.h"
// from a parent process. It is not intended to be used by users so the
// option is hidden.
static cl::opt<bool>
- AsChild("as-child", cl::desc("Run bugpoint as child process"),
- cl::ReallyHidden);
+AsChild("as-child", cl::desc("Run bugpoint as child process"),
+ cl::ReallyHidden);
+
+static cl::opt<bool>
+FindBugs("find-bugs", cl::desc("Run many different optimization sequences "
+ "on program to find bugs"), cl::init(false));
static cl::list<std::string>
InputFilenames(cl::Positional, cl::OneOrMore,
cl::desc("<input llvm ll/bc files>"));
+static cl::opt<unsigned>
+TimeoutValue("timeout", cl::init(300), cl::value_desc("seconds"),
+ cl::desc("Number of seconds program is allowed to run before it "
+ "is killed (default is 300s), 0 disables timeout"));
+
+static cl::opt<unsigned>
+MemoryLimit("mlimit", cl::init(100), cl::value_desc("MBytes"),
+ cl::desc("Maximum amount of memory to use. 0 disables check."));
+
// The AnalysesList is automatically populated with registered Passes by the
// PassNameParser.
//
static cl::list<const PassInfo*, bool, PassNameParser>
PassList(cl::desc("Passes available:"), cl::ZeroOrMore);
+static cl::opt<bool>
+StandardCompileOpts("std-compile-opts",
+ cl::desc("Include the standard compile time optimizations"));
+
+static cl::opt<bool>
+StandardLinkOpts("std-link-opts",
+ cl::desc("Include the standard link time optimizations"));
+
+static cl::opt<std::string>
+OverrideTriple("mtriple", cl::desc("Override target triple for module"));
+
/// BugpointIsInterrupted - Set to true when the user presses ctrl-c.
bool llvm::BugpointIsInterrupted = false;
BugpointIsInterrupted = true;
}
+// Hack to capture a pass list.
+namespace {
+ class AddToDriver : public PassManager {
+ BugDriver &D;
+ public:
+ AddToDriver(BugDriver &_D) : D(_D) {}
+
+ virtual void add(Pass *P) {
+ const PassInfo *PI = P->getPassInfo();
+ D.addPasses(&PI, &PI + 1);
+ }
+ };
+}
+
int main(int argc, char **argv) {
+ llvm::sys::PrintStackTraceOnErrorSignal();
+ llvm::PrettyStackTraceProgram X(argc, argv);
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
cl::ParseCommandLineOptions(argc, argv,
- " LLVM automatic testcase reducer. See\nhttp://"
- "llvm.org/docs/CommandGuide/bugpoint.html"
+ "LLVM automatic testcase reducer. See\nhttp://"
+ "llvm.org/cmds/bugpoint.html"
" for more information.\n");
- sys::PrintStackTraceOnErrorSignal();
sys::SetInterruptFunction(BugpointInterruptFunction);
-
- BugDriver D(argv[0],AsChild);
+
+ LLVMContext& Context = getGlobalContext();
+ // If we have an override, set it and then track the triple we want Modules
+ // to use.
+ if (!OverrideTriple.empty()) {
+ TargetTriple.setTriple(OverrideTriple);
+ outs() << "Override triple set to '" << OverrideTriple << "'\n";
+ }
+
+ BugDriver D(argv[0], AsChild, FindBugs, TimeoutValue, MemoryLimit, Context);
if (D.addSources(InputFilenames)) return 1;
+
+ AddToDriver PM(D);
+ if (StandardCompileOpts) {
+ createStandardModulePasses(&PM, 3,
+ /*OptimizeSize=*/ false,
+ /*UnitAtATime=*/ true,
+ /*UnrollLoops=*/ true,
+ /*SimplifyLibCalls=*/ true,
+ /*HaveExceptions=*/ true,
+ createFunctionInliningPass());
+ }
+
+ if (StandardLinkOpts)
+ createStandardLTOPasses(&PM, /*Internalize=*/true,
+ /*RunInliner=*/true,
+ /*VerifyEach=*/false);
+
D.addPasses(PassList.begin(), PassList.end());
// Bugpoint has the ability of generating a plethora of core files, so to
try {
return D.run();
} catch (ToolExecutionError &TEE) {
- std::cerr << "Tool execution error: " << TEE.what() << '\n';
+ errs() << "Tool execution error: " << TEE.what() << '\n';
} catch (const std::string& msg) {
- std::cerr << argv[0] << ": " << msg << "\n";
+ errs() << argv[0] << ": " << msg << "\n";
+ } catch (const std::bad_alloc&) {
+ errs() << "Oh no, a bugpoint process ran out of memory!\n"
+ "To increase the allocation limits for bugpoint child\n"
+ "processes, use the -mlimit option.\n";
+ } catch (const std::exception &e) {
+ errs() << "Whoops, a std::exception leaked out of bugpoint: "
+ << e.what() << "\n"
+ << "This is a bug in bugpoint!\n";
} catch (...) {
- std::cerr << "Whoops, an exception leaked out of bugpoint. "
- << "This is a bug in bugpoint!\n";
+ errs() << "Whoops, an exception leaked out of bugpoint. "
+ << "This is a bug in bugpoint!\n";
}
return 1;
}