//
// 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.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
-// Note: as a short term hack, the old Unix-specific code and platform-
-// independent code co-exist via conditional compilation until it is verified
-// that the new code works correctly on Unix.
-
#include "BugDriver.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Bytecode/WriteBytecodePass.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Support/FileUtilities.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Verifier.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/System/Path.h"
-#include "llvm/System/Program.h"
-#include "llvm/Config/alloca.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/FileUtilities.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
+#include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/ToolOutputFile.h"
#define DONT_GET_PLUGIN_LOADER_OPTION
#include "llvm/Support/PluginLoader.h"
#include <fstream>
+
using namespace llvm;
+#define DEBUG_TYPE "bugpoint"
+
+namespace llvm {
+ extern cl::opt<std::string> OutputPrefix;
+}
+
namespace {
// ChildOutput - This option captures the name of the child output file that
// is set up by the parent bugpoint process
cl::opt<std::string> ChildOutput("child-output", cl::ReallyHidden);
+ cl::opt<std::string> OptCmd("opt-command", cl::init(""),
+ cl::desc("Path to opt. (default: search path "
+ "for 'opt'.)"));
}
-/// writeProgramToFile - This writes the current "Program" to the named bytecode
+/// writeProgramToFile - This writes the current "Program" to the named bitcode
/// file. If an error occurs, true is returned.
///
-bool BugDriver::writeProgramToFile(const std::string &Filename,
- Module *M) const {
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream Out(Filename.c_str(), io_mode);
- if (!Out.good()) return true;
- try {
- WriteBytecodeToFile(M ? M : Program, Out, /*compression=*/true);
- } catch (...) {
- return true;
+static bool writeProgramToFileAux(tool_output_file &Out, const Module *M) {
+ WriteBitcodeToFile(M, Out.os());
+ Out.os().close();
+ if (!Out.os().has_error()) {
+ Out.keep();
+ return false;
}
- return false;
+ return true;
+}
+
+bool BugDriver::writeProgramToFile(const std::string &Filename, int FD,
+ const Module *M) const {
+ tool_output_file Out(Filename, FD);
+ return writeProgramToFileAux(Out, M);
+}
+
+bool BugDriver::writeProgramToFile(const std::string &Filename,
+ const Module *M) const {
+ std::error_code EC;
+ tool_output_file Out(Filename, EC, sys::fs::F_None);
+ if (!EC)
+ return writeProgramToFileAux(Out, M);
+ return true;
}
-/// EmitProgressBytecode - This function is used to output the current Program
+/// EmitProgressBitcode - This function is used to output the current Program
/// to a file named "bugpoint-ID.bc".
///
-void BugDriver::EmitProgressBytecode(const std::string &ID, bool NoFlyer) {
- // Output the input to the current pass to a bytecode file, emit a message
+void BugDriver::EmitProgressBitcode(const Module *M,
+ const std::string &ID,
+ bool NoFlyer) const {
+ // Output the input to the current pass to a bitcode file, emit a message
// telling the user how to reproduce it: opt -foo blah.bc
//
- std::string Filename = "bugpoint-" + ID + ".bc";
- if (writeProgramToFile(Filename)) {
- std::cerr << "Error opening file '" << Filename << "' for writing!\n";
+ std::string Filename = OutputPrefix + "-" + ID + ".bc";
+ if (writeProgramToFile(Filename, M)) {
+ errs() << "Error opening file '" << Filename << "' for writing!\n";
return;
}
- std::cout << "Emitted bytecode to '" << Filename << "'\n";
+ outs() << "Emitted bitcode to '" << Filename << "'\n";
if (NoFlyer || PassesToRun.empty()) return;
- std::cout << "\n*** You can reproduce the problem with: ";
-
- unsigned PassType = PassesToRun[0]->getPassType();
- for (unsigned i = 1, e = PassesToRun.size(); i != e; ++i)
- PassType &= PassesToRun[i]->getPassType();
-
- if (PassType & PassInfo::Analysis)
- std::cout << "analyze";
- else if (PassType & PassInfo::Optimization)
- std::cout << "opt";
- else
- std::cout << "bugpoint";
- std::cout << " " << Filename << " ";
- std::cout << getPassesString(PassesToRun) << "\n";
-}
-
-int BugDriver::runPassesAsChild(const std::vector<const PassInfo*> &Passes) {
-
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream OutFile(ChildOutput.c_str(), io_mode);
- if (!OutFile.good()) {
- std::cerr << "Error opening bytecode file: " << ChildOutput << "\n";
- return 1;
- }
-
- PassManager PM;
- // Make sure that the appropriate target data is always used...
- PM.add(new TargetData(Program));
-
- for (unsigned i = 0, e = Passes.size(); i != e; ++i) {
- if (Passes[i]->getNormalCtor())
- PM.add(Passes[i]->getNormalCtor()());
- else
- std::cerr << "Cannot create pass yet: " << Passes[i]->getPassName()
- << "\n";
+ outs() << "\n*** You can reproduce the problem with: ";
+ if (UseValgrind) outs() << "valgrind ";
+ outs() << "opt " << Filename;
+ for (unsigned i = 0, e = PluginLoader::getNumPlugins(); i != e; ++i) {
+ outs() << " -load " << PluginLoader::getPlugin(i);
}
- // Check that the module is well formed on completion of optimization
- PM.add(createVerifierPass());
+ outs() << " " << getPassesString(PassesToRun) << "\n";
+}
- // Write bytecode out to disk as the last step...
- PM.add(new WriteBytecodePass(&OutFile));
+cl::opt<bool> SilencePasses("silence-passes",
+ cl::desc("Suppress output of running passes (both stdout and stderr)"));
- // Run all queued passes.
- PM.run(*Program);
+static cl::list<std::string> OptArgs("opt-args", cl::Positional,
+ cl::desc("<opt arguments>..."),
+ cl::ZeroOrMore, cl::PositionalEatsArgs);
- return 0;
-}
-
-/// runPasses - Run the specified passes on Program, outputting a bytecode file
+/// runPasses - Run the specified passes on Program, outputting a bitcode file
/// and writing the filename into OutputFile if successful. If the
/// optimizations fail for some reason (optimizer crashes), return true,
-/// otherwise return false. If DeleteOutput is set to true, the bytecode is
+/// otherwise return false. If DeleteOutput is set to true, the bitcode is
/// deleted on success, and the filename string is undefined. This prints to
-/// cout a single line message indicating whether compilation was successful or
-/// failed.
+/// outs() a single line message indicating whether compilation was successful
+/// or failed.
///
-bool BugDriver::runPasses(const std::vector<const PassInfo*> &Passes,
+bool BugDriver::runPasses(Module *Program,
+ const std::vector<std::string> &Passes,
std::string &OutputFilename, bool DeleteOutput,
- bool Quiet) const{
+ bool Quiet, unsigned NumExtraArgs,
+ const char * const *ExtraArgs) const {
// setup the output file name
- std::cout << std::flush;
- sys::Path uniqueFilename("bugpoint-output.bc");
- uniqueFilename.makeUnique();
- OutputFilename = uniqueFilename.toString();
+ outs().flush();
+ SmallString<128> UniqueFilename;
+ std::error_code EC = sys::fs::createUniqueFile(
+ OutputPrefix + "-output-%%%%%%%.bc", UniqueFilename);
+ if (EC) {
+ errs() << getToolName() << ": Error making unique filename: "
+ << EC.message() << "\n";
+ return 1;
+ }
+ OutputFilename = UniqueFilename.str();
// set up the input file name
- sys::Path inputFilename("bugpoint-input.bc");
- inputFilename.makeUnique();
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream InFile(inputFilename.c_str(), io_mode);
- if (!InFile.good()) {
- std::cerr << "Error opening bytecode file: " << inputFilename << "\n";
- return(1);
+ SmallString<128> InputFilename;
+ int InputFD;
+ EC = sys::fs::createUniqueFile(OutputPrefix + "-input-%%%%%%%.bc", InputFD,
+ InputFilename);
+ if (EC) {
+ errs() << getToolName() << ": Error making unique filename: "
+ << EC.message() << "\n";
+ return 1;
+ }
+
+ tool_output_file InFile(InputFilename, InputFD);
+
+ WriteBitcodeToFile(Program, InFile.os());
+ InFile.os().close();
+ if (InFile.os().has_error()) {
+ errs() << "Error writing bitcode file: " << InputFilename << "\n";
+ InFile.os().clear_error();
+ return 1;
}
- WriteBytecodeToFile(Program,InFile,false);
- InFile.close();
+
+ std::string tool = OptCmd;
+ if (OptCmd.empty()) {
+ if (ErrorOr<std::string> Path = sys::findProgramByName("opt"))
+ tool = *Path;
+ else
+ errs() << Path.getError().message() << "\n";
+ }
+ if (tool.empty()) {
+ errs() << "Cannot find `opt' in PATH!\n";
+ return 1;
+ }
+
+ std::string Prog;
+ if (UseValgrind) {
+ if (ErrorOr<std::string> Path = sys::findProgramByName("valgrind"))
+ Prog = *Path;
+ else
+ errs() << Path.getError().message() << "\n";
+ } else
+ Prog = tool;
+ if (Prog.empty()) {
+ errs() << "Cannot find `valgrind' in PATH!\n";
+ return 1;
+ }
+
+ // Ok, everything that could go wrong before running opt is done.
+ InFile.keep();
// setup the child process' arguments
- const char** args = (const char**)
- alloca(sizeof(const char*) *
- (Passes.size()+10+2*PluginLoader::getNumPlugins()));
- int n = 0;
- args[n++] = ToolName.c_str();
- args[n++] = "-as-child";
- args[n++] = "-child-output";
- args[n++] = OutputFilename.c_str();
+ SmallVector<const char*, 8> Args;
+ if (UseValgrind) {
+ Args.push_back("valgrind");
+ Args.push_back("--error-exitcode=1");
+ Args.push_back("-q");
+ Args.push_back(tool.c_str());
+ } else
+ Args.push_back(tool.c_str());
+
+ Args.push_back("-o");
+ Args.push_back(OutputFilename.c_str());
+ for (unsigned i = 0, e = OptArgs.size(); i != e; ++i)
+ Args.push_back(OptArgs[i].c_str());
std::vector<std::string> pass_args;
for (unsigned i = 0, e = PluginLoader::getNumPlugins(); i != e; ++i) {
pass_args.push_back( std::string("-load"));
pass_args.push_back( PluginLoader::getPlugin(i));
}
- for (std::vector<const PassInfo*>::const_iterator I = Passes.begin(),
+ for (std::vector<std::string>::const_iterator I = Passes.begin(),
E = Passes.end(); I != E; ++I )
- pass_args.push_back( std::string("-") + (*I)->getPassArgument() );
+ pass_args.push_back( std::string("-") + (*I) );
for (std::vector<std::string>::const_iterator I = pass_args.begin(),
E = pass_args.end(); I != E; ++I )
- args[n++] = I->c_str();
- args[n++] = inputFilename.c_str();
- args[n++] = 0;
+ Args.push_back(I->c_str());
+ Args.push_back(InputFilename.c_str());
+ for (unsigned i = 0; i < NumExtraArgs; ++i)
+ Args.push_back(*ExtraArgs);
+ Args.push_back(nullptr);
+
+ DEBUG(errs() << "\nAbout to run:\t";
+ for (unsigned i = 0, e = Args.size()-1; i != e; ++i)
+ errs() << " " << Args[i];
+ errs() << "\n";
+ );
+
+ // Redirect stdout and stderr to nowhere if SilencePasses is given
+ StringRef Nowhere;
+ const StringRef *Redirects[3] = {nullptr, &Nowhere, &Nowhere};
- sys::Path prog(sys::Program::FindProgramByName(ToolName));
- int result = sys::Program::ExecuteAndWait(prog,args,0,0,Timeout);
+ std::string ErrMsg;
+ int result = sys::ExecuteAndWait(Prog, Args.data(), nullptr,
+ (SilencePasses ? Redirects : nullptr),
+ Timeout, MemoryLimit, &ErrMsg);
- // If we are supposed to delete the bytecode file or if the passes crashed,
+ // If we are supposed to delete the bitcode file or if the passes crashed,
// remove it now. This may fail if the file was never created, but that's ok.
if (DeleteOutput || result != 0)
- sys::Path(OutputFilename).eraseFromDisk();
+ sys::fs::remove(OutputFilename);
// Remove the temporary input file as well
- inputFilename.eraseFromDisk();
+ sys::fs::remove(InputFilename.c_str());
if (!Quiet) {
if (result == 0)
- std::cout << "Success!\n";
+ outs() << "Success!\n";
else if (result > 0)
- std::cout << "Exited with error code '" << result << "'\n";
- else if (result < 0)
- std::cout << "Crashed with signal #" << abs(result) << "\n";
+ outs() << "Exited with error code '" << result << "'\n";
+ else if (result < 0) {
+ if (result == -1)
+ outs() << "Execute failed: " << ErrMsg << "\n";
+ else
+ outs() << "Crashed: " << ErrMsg << "\n";
+ }
if (result & 0x01000000)
- std::cout << "Dumped core\n";
+ outs() << "Dumped core\n";
}
// Was the child successful?
}
-/// runPassesOn - Carefully run the specified set of pass on the specified
-/// module, returning the transformed module on success, or a null pointer on
-/// failure.
-Module *BugDriver::runPassesOn(Module *M,
- const std::vector<const PassInfo*> &Passes,
- bool AutoDebugCrashes) {
- Module *OldProgram = swapProgramIn(M);
- std::string BytecodeResult;
- if (runPasses(Passes, BytecodeResult, false/*delete*/, true/*quiet*/)) {
+std::unique_ptr<Module>
+BugDriver::runPassesOn(Module *M, const std::vector<std::string> &Passes,
+ bool AutoDebugCrashes, unsigned NumExtraArgs,
+ const char *const *ExtraArgs) {
+ std::string BitcodeResult;
+ if (runPasses(M, Passes, BitcodeResult, false/*delete*/, true/*quiet*/,
+ NumExtraArgs, ExtraArgs)) {
if (AutoDebugCrashes) {
- std::cerr << " Error running this sequence of passes"
- << " on the input program!\n";
- delete OldProgram;
- EmitProgressBytecode("pass-error", false);
+ errs() << " Error running this sequence of passes"
+ << " on the input program!\n";
+ delete swapProgramIn(M);
+ EmitProgressBitcode(M, "pass-error", false);
exit(debugOptimizerCrash());
}
- swapProgramIn(OldProgram);
- return 0;
+ return nullptr;
}
- // Restore the current program.
- swapProgramIn(OldProgram);
-
- Module *Ret = ParseInputFile(BytecodeResult);
- if (Ret == 0) {
- std::cerr << getToolName() << ": Error reading bytecode file '"
- << BytecodeResult << "'!\n";
+ std::unique_ptr<Module> Ret = parseInputFile(BitcodeResult, Context);
+ if (!Ret) {
+ errs() << getToolName() << ": Error reading bitcode file '"
+ << BitcodeResult << "'!\n";
exit(1);
}
- sys::Path(BytecodeResult).eraseFromDisk(); // No longer need the file on disk
+ sys::fs::remove(BitcodeResult);
return Ret;
}
projects / oota-llvm.git / blobdiff