// Additionally, this program outputs a shell script that is used to invoke LLI
// to execute the program. In this manner, the generated executable (a.out for
// example), is directly executable, whereas the bitcode file actually lives in
-// the a.out.bc file generated by this program. Also, Force is on by default.
+// the a.out.bc file generated by this program.
//
// Note that if someone (or a script) deletes the executable program generated,
// the .bc file will be left around. Considering that this is a temporary hack,
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/Streams.h"
#include "llvm/Support/SystemUtils.h"
+#include "llvm/Support/ToolOutputFile.h"
#include "llvm/System/Signals.h"
#include "llvm/Config/config.h"
-#include <fstream>
#include <memory>
#include <cstring>
using namespace llvm;
+// Rightly this should go in a header file but it just seems such a waste.
+namespace llvm {
+extern void Optimize(Module*);
+}
+
// Input/Output Options
static cl::list<std::string> InputFilenames(cl::Positional, cl::OneOrMore,
cl::desc("<input bitcode files>"));
cl::desc("Override output filename"),
cl::value_desc("filename"));
+static cl::opt<std::string> BitcodeOutputFilename("b", cl::init(""),
+ cl::desc("Override bitcode output filename"),
+ cl::value_desc("filename"));
+
static cl::opt<bool> Verbose("v",
cl::desc("Print information about actions taken"));
/// everywhere.
static std::string progname;
+/// FileRemover objects to clean up output files in the event of an error.
+static FileRemover OutputRemover;
+static FileRemover BitcodeOutputRemover;
+
/// PrintAndExit - Prints a message to standard error and exits with error code
///
/// Inputs:
/// Message - The message to print to standard error.
///
-static void PrintAndExit(const std::string &Message, int errcode = 1) {
- cerr << progname << ": " << Message << "\n";
+static void PrintAndExit(const std::string &Message, Module *M, int errcode = 1) {
+ errs() << progname << ": " << Message << "\n";
+ delete M;
llvm_shutdown();
exit(errcode);
}
std::vector<const char*>::const_iterator I = args.begin(), E = args.end();
for (; I != E; ++I)
if (*I)
- cout << "'" << *I << "'" << " ";
- cout << "\n" << std::flush;
+ errs() << "'" << *I << "'" << " ";
+ errs() << "\n";
}
/// CopyEnv - This function takes an array of environment variables and makes a
// Make a copy of the list. Don't forget the NULL that ends the list.
entries = 0;
while (envp[entries] != NULL) {
- newenv[entries] = new char[strlen (envp[entries]) + 1];
- strcpy (newenv[entries], envp[entries]);
+ size_t len = strlen(envp[entries]) + 1;
+ newenv[entries] = new char[len];
+ memcpy(newenv[entries], envp[entries], len);
++entries;
}
newenv[entries] = NULL;
void GenerateBitcode(Module* M, const std::string& FileName) {
if (Verbose)
- cout << "Generating Bitcode To " << FileName << '\n';
+ errs() << "Generating Bitcode To " << FileName << '\n';
// Create the output file.
- 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())
- PrintAndExit("error opening '" + FileName + "' for writing!");
-
- // Ensure that the bitcode file gets removed from the disk if we get a
- // terminating signal.
- sys::RemoveFileOnSignal(sys::Path(FileName));
+ std::string ErrorInfo;
+ tool_output_file Out(FileName.c_str(), ErrorInfo,
+ raw_fd_ostream::F_Binary);
+ if (!ErrorInfo.empty()) {
+ PrintAndExit(ErrorInfo, M);
+ return;
+ }
// Write it out
- WriteBitcodeToFile(M, Out);
-
- // Close the bitcode file.
- Out.close();
+ WriteBitcodeToFile(M, Out.os());
+ Out.keep();
}
/// GenerateAssembly - generates a native assembly language source file from the
// We will use GCC to assemble the program so set the assembly syntax to AT&T,
// regardless of what the target in the bitcode file is.
args.push_back("-x86-asm-syntax=att");
- args.push_back("-f");
args.push_back("-o");
args.push_back(OutputFilename.c_str());
args.push_back(InputFilename.c_str());
args.push_back(0);
if (Verbose) {
- cout << "Generating Assembly With: \n";
+ errs() << "Generating Assembly With: \n";
PrintCommand(args);
}
std::vector<const char*> args;
args.push_back(llc.c_str());
args.push_back("-march=c");
- args.push_back("-f");
args.push_back("-o");
args.push_back(OutputFile.c_str());
args.push_back(InputFile.c_str());
args.push_back(0);
if (Verbose) {
- cout << "Generating C Source With: \n";
+ errs() << "Generating C Source With: \n";
PrintCommand(args);
}
Args.push_back(0);
if (Verbose) {
- cout << "Generating Native Executable With:\n";
+ errs() << "Generating Native Executable With:\n";
PrintCommand(Args);
}
// Run the compiler to assembly and link together the program.
int R = sys::Program::ExecuteAndWait(
- gcc, &Args[0], (const char**)clean_env, 0, 0, 0, &ErrMsg);
+ gcc, &Args[0], const_cast<const char **>(clean_env), 0, 0, 0, &ErrMsg);
delete [] clean_env;
return R;
}
/// EmitShellScript - Output the wrapper file that invokes the JIT on the LLVM
/// bitcode file for the program.
-static void EmitShellScript(char **argv) {
+static void EmitShellScript(char **argv, Module *M) {
if (Verbose)
- cout << "Emitting Shell Script\n";
+ errs() << "Emitting Shell Script\n";
#if defined(_WIN32) || defined(__CYGWIN__)
// Windows doesn't support #!/bin/sh style shell scripts in .exe files. To
// support windows systems, we copy the llvm-stub.exe executable from the
// build tree to the destination file.
std::string ErrMsg;
- sys::Path llvmstub = FindExecutable("llvm-stub.exe", argv[0]);
+ sys::Path llvmstub = FindExecutable("llvm-stub.exe", argv[0],
+ (void *)(intptr_t)&Optimize);
if (llvmstub.isEmpty())
- PrintAndExit("Could not find llvm-stub.exe executable!");
+ PrintAndExit("Could not find llvm-stub.exe executable!", M);
if (0 != sys::CopyFile(sys::Path(OutputFilename), llvmstub, &ErrMsg))
- PrintAndExit(ErrMsg);
+ PrintAndExit(ErrMsg, M);
return;
#endif
// Output the script to start the program...
- std::ofstream Out2(OutputFilename.c_str());
- if (!Out2.good())
- PrintAndExit("error opening '" + OutputFilename + "' for writing!");
+ std::string ErrorInfo;
+ tool_output_file Out2(OutputFilename.c_str(), ErrorInfo);
+ if (!ErrorInfo.empty())
+ PrintAndExit(ErrorInfo, M);
- Out2 << "#!/bin/sh\n";
+ Out2.os() << "#!/bin/sh\n";
// Allow user to setenv LLVMINTERP if lli is not in their PATH.
- Out2 << "lli=${LLVMINTERP-lli}\n";
- Out2 << "exec $lli \\\n";
+ Out2.os() << "lli=${LLVMINTERP-lli}\n";
+ Out2.os() << "exec $lli \\\n";
// gcc accepts -l<lib> and implicitly searches /lib and /usr/lib.
LibPaths.push_back("/lib");
LibPaths.push_back("/usr/lib");
if (FullLibraryPath.isEmpty())
FullLibraryPath = sys::Path::FindLibrary(*i);
if (!FullLibraryPath.isEmpty())
- Out2 << " -load=" << FullLibraryPath.toString() << " \\\n";
+ Out2.os() << " -load=" << FullLibraryPath.str() << " \\\n";
}
- Out2 << " $0.bc ${1+\"$@\"}\n";
- Out2.close();
+ Out2.os() << " " << BitcodeOutputFilename << " ${1+\"$@\"}\n";
+ Out2.keep();
}
// BuildLinkItems -- This function generates a LinkItemList for the LinkItems
}
}
-// Rightly this should go in a header file but it just seems such a waste.
-namespace llvm {
-extern void Optimize(Module*);
-}
-
int main(int argc, char **argv, char **envp) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
- LLVMContext Context;
+ LLVMContext &Context = getGlobalContext();
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
- try {
- // Initial global variable above for convenience printing of program name.
- progname = sys::Path(argv[0]).getBasename();
-
- // Parse the command line options
- cl::ParseCommandLineOptions(argc, argv, "llvm linker\n");
-
- // Construct a Linker (now that Verbose is set)
- Linker TheLinker(progname, OutputFilename, Context, Verbose);
-
- // Keep track of the native link items (versus the bitcode items)
- Linker::ItemList NativeLinkItems;
-
- // Add library paths to the linker
- TheLinker.addPaths(LibPaths);
- TheLinker.addSystemPaths();
-
- // Remove any consecutive duplicates of the same library...
- Libraries.erase(std::unique(Libraries.begin(), Libraries.end()),
- Libraries.end());
-
- if (LinkAsLibrary) {
- std::vector<sys::Path> Files;
- for (unsigned i = 0; i < InputFilenames.size(); ++i )
- Files.push_back(sys::Path(InputFilenames[i]));
- if (TheLinker.LinkInFiles(Files))
- return 1; // Error already printed
-
- // The libraries aren't linked in but are noted as "dependent" in the
- // module.
- for (cl::list<std::string>::const_iterator I = Libraries.begin(),
- E = Libraries.end(); I != E ; ++I) {
- TheLinker.getModule()->addLibrary(*I);
- }
- } else {
- // Build a list of the items from our command line
- Linker::ItemList Items;
- BuildLinkItems(Items, InputFilenames, Libraries);
+
+ // Initialize passes
+ PassRegistry &Registry = *PassRegistry::getPassRegistry();
+ initializeCore(Registry);
+ initializeScalarOpts(Registry);
+ initializeIPO(Registry);
+ initializeAnalysis(Registry);
+ initializeIPA(Registry);
+ initializeTransformUtils(Registry);
+ initializeInstCombine(Registry);
+ initializeTarget(Registry);
+
+ // Initial global variable above for convenience printing of program name.
+ progname = sys::Path(argv[0]).getBasename();
+
+ // Parse the command line options
+ cl::ParseCommandLineOptions(argc, argv, "llvm linker\n");
- // Link all the items together
- if (TheLinker.LinkInItems(Items, NativeLinkItems) )
- return 1; // Error already printed
+#if defined(_WIN32) || defined(__CYGWIN__)
+ if (!LinkAsLibrary) {
+ // Default to "a.exe" instead of "a.out".
+ if (OutputFilename.getNumOccurrences() == 0)
+ OutputFilename = "a.exe";
+
+ // If there is no suffix add an "exe" one.
+ sys::Path ExeFile( OutputFilename );
+ if (ExeFile.getSuffix() == "") {
+ ExeFile.appendSuffix("exe");
+ OutputFilename = ExeFile.str();
}
+ }
+#endif
- std::auto_ptr<Module> Composite(TheLinker.releaseModule());
+ // Generate the bitcode for the optimized module.
+ // If -b wasn't specified, use the name specified
+ // with -o to construct BitcodeOutputFilename.
+ if (BitcodeOutputFilename.empty()) {
+ BitcodeOutputFilename = OutputFilename;
+ if (!LinkAsLibrary) BitcodeOutputFilename += ".bc";
+ }
- // Optimize the module
- Optimize(Composite.get());
+ // Arrange for the bitcode output file to be deleted on any errors.
+ BitcodeOutputRemover.setFile(sys::Path(BitcodeOutputFilename));
+ sys::RemoveFileOnSignal(sys::Path(BitcodeOutputFilename));
-#if defined(_WIN32) || defined(__CYGWIN__)
- if (!LinkAsLibrary) {
- // Default to "a.exe" instead of "a.out".
- if (OutputFilename.getNumOccurrences() == 0)
- OutputFilename = "a.exe";
-
- // If there is no suffix add an "exe" one.
- sys::Path ExeFile( OutputFilename );
- if (ExeFile.getSuffix() == "") {
- ExeFile.appendSuffix("exe");
- OutputFilename = ExeFile.toString();
- }
- }
-#endif
+ // Arrange for the output file to be deleted on any errors.
+ if (!LinkAsLibrary) {
+ OutputRemover.setFile(sys::Path(OutputFilename));
+ sys::RemoveFileOnSignal(sys::Path(OutputFilename));
+ }
- // Generate the bitcode for the optimized module.
- std::string RealBitcodeOutput = OutputFilename;
-
- if (!LinkAsLibrary) RealBitcodeOutput += ".bc";
- GenerateBitcode(Composite.get(), RealBitcodeOutput);
-
- // If we are not linking a library, generate either a native executable
- // or a JIT shell script, depending upon what the user wants.
- if (!LinkAsLibrary) {
- // If the user wants to run a post-link optimization, run it now.
- if (!PostLinkOpts.empty()) {
- std::vector<std::string> opts = PostLinkOpts;
- for (std::vector<std::string>::iterator I = opts.begin(),
- E = opts.end(); I != E; ++I) {
- sys::Path prog(*I);
- if (!prog.canExecute()) {
- prog = sys::Program::FindProgramByName(*I);
- if (prog.isEmpty())
- PrintAndExit(std::string("Optimization program '") + *I +
- "' is not found or not executable.");
- }
- // Get the program arguments
- sys::Path tmp_output("opt_result");
- std::string ErrMsg;
- if (tmp_output.createTemporaryFileOnDisk(true, &ErrMsg))
- PrintAndExit(ErrMsg);
-
- const char* args[4];
- args[0] = I->c_str();
- args[1] = RealBitcodeOutput.c_str();
- args[2] = tmp_output.c_str();
- args[3] = 0;
- if (0 == sys::Program::ExecuteAndWait(prog, args, 0,0,0,0, &ErrMsg)) {
- if (tmp_output.isBitcodeFile() || tmp_output.isBitcodeFile()) {
- sys::Path target(RealBitcodeOutput);
- target.eraseFromDisk();
- if (tmp_output.renamePathOnDisk(target, &ErrMsg))
- PrintAndExit(ErrMsg, 2);
- } else
- PrintAndExit("Post-link optimization output is not bitcode");
- } else {
- PrintAndExit(ErrMsg);
- }
- }
- }
+ // Construct a Linker (now that Verbose is set)
+ Linker TheLinker(progname, OutputFilename, Context, Verbose);
- // If the user wants to generate a native executable, compile it from the
- // bitcode file.
- //
- // Otherwise, create a script that will run the bitcode through the JIT.
- if (Native) {
- // Name of the Assembly Language output file
- sys::Path AssemblyFile ( OutputFilename);
- AssemblyFile.appendSuffix("s");
-
- // Mark the output files for removal if we get an interrupt.
- sys::RemoveFileOnSignal(AssemblyFile);
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
- // Determine the locations of the llc and gcc programs.
- sys::Path llc = FindExecutable("llc", argv[0]);
- if (llc.isEmpty())
- PrintAndExit("Failed to find llc");
-
- sys::Path gcc = FindExecutable("gcc", argv[0]);
- if (gcc.isEmpty())
- PrintAndExit("Failed to find gcc");
-
- // Generate an assembly language file for the bitcode.
- std::string ErrMsg;
- if (0 != GenerateAssembly(AssemblyFile.toString(), RealBitcodeOutput,
- llc, ErrMsg))
- PrintAndExit(ErrMsg);
-
- if (0 != GenerateNative(OutputFilename, AssemblyFile.toString(),
- NativeLinkItems, gcc, envp, ErrMsg))
- PrintAndExit(ErrMsg);
-
- // Remove the assembly language file.
- AssemblyFile.eraseFromDisk();
- } else if (NativeCBE) {
- sys::Path CFile (OutputFilename);
- CFile.appendSuffix("cbe.c");
-
- // Mark the output files for removal if we get an interrupt.
- sys::RemoveFileOnSignal(CFile);
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
-
- // Determine the locations of the llc and gcc programs.
- sys::Path llc = FindExecutable("llc", argv[0]);
- if (llc.isEmpty())
- PrintAndExit("Failed to find llc");
-
- sys::Path gcc = FindExecutable("gcc", argv[0]);
- if (gcc.isEmpty())
- PrintAndExit("Failed to find gcc");
-
- // Generate an assembly language file for the bitcode.
- std::string ErrMsg;
- if (0 != GenerateCFile(
- CFile.toString(), RealBitcodeOutput, llc, ErrMsg))
- PrintAndExit(ErrMsg);
+ // Keep track of the native link items (versus the bitcode items)
+ Linker::ItemList NativeLinkItems;
+
+ // Add library paths to the linker
+ TheLinker.addPaths(LibPaths);
+ TheLinker.addSystemPaths();
- if (0 != GenerateNative(OutputFilename, CFile.toString(),
- NativeLinkItems, gcc, envp, ErrMsg))
- PrintAndExit(ErrMsg);
+ // Remove any consecutive duplicates of the same library...
+ Libraries.erase(std::unique(Libraries.begin(), Libraries.end()),
+ Libraries.end());
- // Remove the assembly language file.
- CFile.eraseFromDisk();
+ if (LinkAsLibrary) {
+ std::vector<sys::Path> Files;
+ for (unsigned i = 0; i < InputFilenames.size(); ++i )
+ Files.push_back(sys::Path(InputFilenames[i]));
+ if (TheLinker.LinkInFiles(Files))
+ return 1; // Error already printed
+
+ // The libraries aren't linked in but are noted as "dependent" in the
+ // module.
+ for (cl::list<std::string>::const_iterator I = Libraries.begin(),
+ E = Libraries.end(); I != E ; ++I) {
+ TheLinker.getModule()->addLibrary(*I);
+ }
+ } else {
+ // Build a list of the items from our command line
+ Linker::ItemList Items;
+ BuildLinkItems(Items, InputFilenames, Libraries);
+
+ // Link all the items together
+ if (TheLinker.LinkInItems(Items, NativeLinkItems) )
+ return 1; // Error already printed
+ }
- } else {
- EmitShellScript(argv);
+ std::auto_ptr<Module> Composite(TheLinker.releaseModule());
+
+ // Optimize the module
+ Optimize(Composite.get());
+
+ // Generate the bitcode output.
+ GenerateBitcode(Composite.get(), BitcodeOutputFilename);
+
+ // If we are not linking a library, generate either a native executable
+ // or a JIT shell script, depending upon what the user wants.
+ if (!LinkAsLibrary) {
+ // If the user wants to run a post-link optimization, run it now.
+ if (!PostLinkOpts.empty()) {
+ std::vector<std::string> opts = PostLinkOpts;
+ for (std::vector<std::string>::iterator I = opts.begin(),
+ E = opts.end(); I != E; ++I) {
+ sys::Path prog(*I);
+ if (!prog.canExecute()) {
+ prog = sys::Program::FindProgramByName(*I);
+ if (prog.isEmpty())
+ PrintAndExit(std::string("Optimization program '") + *I +
+ "' is not found or not executable.", Composite.get());
+ }
+ // Get the program arguments
+ sys::Path tmp_output("opt_result");
+ std::string ErrMsg;
+ if (tmp_output.createTemporaryFileOnDisk(true, &ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
+
+ const char* args[4];
+ args[0] = I->c_str();
+ args[1] = BitcodeOutputFilename.c_str();
+ args[2] = tmp_output.c_str();
+ args[3] = 0;
+ if (0 == sys::Program::ExecuteAndWait(prog, args, 0,0,0,0, &ErrMsg)) {
+ if (tmp_output.isBitcodeFile()) {
+ sys::Path target(BitcodeOutputFilename);
+ target.eraseFromDisk();
+ if (tmp_output.renamePathOnDisk(target, &ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get(), 2);
+ } else
+ PrintAndExit("Post-link optimization output is not bitcode",
+ Composite.get());
+ } else {
+ PrintAndExit(ErrMsg, Composite.get());
+ }
}
+ }
- // Make the script executable...
+ // If the user wants to generate a native executable, compile it from the
+ // bitcode file.
+ //
+ // Otherwise, create a script that will run the bitcode through the JIT.
+ if (Native) {
+ // Name of the Assembly Language output file
+ sys::Path AssemblyFile ( OutputFilename);
+ AssemblyFile.appendSuffix("s");
+
+ // Mark the output files for removal.
+ FileRemover AssemblyFileRemover(AssemblyFile);
+ sys::RemoveFileOnSignal(AssemblyFile);
+
+ // Determine the locations of the llc and gcc programs.
+ sys::Path llc = FindExecutable("llc", argv[0],
+ (void *)(intptr_t)&Optimize);
+ if (llc.isEmpty())
+ PrintAndExit("Failed to find llc", Composite.get());
+
+ sys::Path gcc = sys::Program::FindProgramByName("gcc");
+ if (gcc.isEmpty())
+ PrintAndExit("Failed to find gcc", Composite.get());
+
+ // Generate an assembly language file for the bitcode.
std::string ErrMsg;
- if (sys::Path(OutputFilename).makeExecutableOnDisk(&ErrMsg))
- PrintAndExit(ErrMsg);
-
- // Make the bitcode file readable and directly executable in LLEE as well
- if (sys::Path(RealBitcodeOutput).makeExecutableOnDisk(&ErrMsg))
- PrintAndExit(ErrMsg);
+ if (0 != GenerateAssembly(AssemblyFile.str(), BitcodeOutputFilename,
+ llc, ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
+
+ if (0 != GenerateNative(OutputFilename, AssemblyFile.str(),
+ NativeLinkItems, gcc, envp, ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
+ } else if (NativeCBE) {
+ sys::Path CFile (OutputFilename);
+ CFile.appendSuffix("cbe.c");
+
+ // Mark the output files for removal.
+ FileRemover CFileRemover(CFile);
+ sys::RemoveFileOnSignal(CFile);
+
+ // Determine the locations of the llc and gcc programs.
+ sys::Path llc = FindExecutable("llc", argv[0],
+ (void *)(intptr_t)&Optimize);
+ if (llc.isEmpty())
+ PrintAndExit("Failed to find llc", Composite.get());
+
+ sys::Path gcc = sys::Program::FindProgramByName("gcc");
+ if (gcc.isEmpty())
+ PrintAndExit("Failed to find gcc", Composite.get());
+
+ // Generate an assembly language file for the bitcode.
+ std::string ErrMsg;
+ if (GenerateCFile(CFile.str(), BitcodeOutputFilename, llc, ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
- if (sys::Path(RealBitcodeOutput).makeReadableOnDisk(&ErrMsg))
- PrintAndExit(ErrMsg);
+ if (GenerateNative(OutputFilename, CFile.str(),
+ NativeLinkItems, gcc, envp, ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
+ } else {
+ EmitShellScript(argv, Composite.get());
}
- } catch (const std::string& msg) {
- PrintAndExit(msg,2);
- } catch (...) {
- PrintAndExit("Unexpected unknown exception occurred.", 2);
+
+ // Make the script executable...
+ std::string ErrMsg;
+ if (sys::Path(OutputFilename).makeExecutableOnDisk(&ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
+
+ // Make the bitcode file readable and directly executable in LLEE as well
+ if (sys::Path(BitcodeOutputFilename).makeExecutableOnDisk(&ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
+
+ if (sys::Path(BitcodeOutputFilename).makeReadableOnDisk(&ErrMsg))
+ PrintAndExit(ErrMsg, Composite.get());
}
+ // Operations which may fail are now complete.
+ BitcodeOutputRemover.releaseFile();
+ if (!LinkAsLibrary)
+ OutputRemover.releaseFile();
+
// Graceful exit
return 0;
}
projects / oota-llvm.git / blobdiff