cl::desc("<safe-tool arguments>..."),
cl::ZeroOrMore, cl::PositionalEatsArgs);
+ cl::opt<std::string>
+ GCCBinary("gcc", cl::init("gcc"),
+ cl::desc("The gcc binary to use. (default 'gcc')"));
+
cl::list<std::string>
GCCToolArgv("gcc-tool-args", cl::Positional,
cl::desc("<gcc-tool arguments>..."),
case AutoPick:
InterpreterSel = RunCBE;
Interpreter =
- AbstractInterpreter::createCBE(getToolName(), Message, &ToolArgv,
- &GCCToolArgv);
+ AbstractInterpreter::createCBE(getToolName(), Message, GCCBinary,
+ &ToolArgv, &GCCToolArgv);
if (!Interpreter) {
InterpreterSel = RunJIT;
Interpreter = AbstractInterpreter::createJIT(getToolName(), Message,
if (!Interpreter) {
InterpreterSel = RunLLC;
Interpreter = AbstractInterpreter::createLLC(getToolName(), Message,
- &ToolArgv, &GCCToolArgv);
+ GCCBinary, &ToolArgv,
+ &GCCToolArgv);
}
if (!Interpreter) {
InterpreterSel = RunLLI;
case RunLLCIA:
case LLC_Safe:
Interpreter = AbstractInterpreter::createLLC(getToolName(), Message,
- &ToolArgv, &GCCToolArgv,
+ GCCBinary, &ToolArgv,
+ &GCCToolArgv,
InterpreterSel == RunLLCIA);
break;
case RunJIT:
case RunCBE:
case CBE_bug:
Interpreter = AbstractInterpreter::createCBE(getToolName(), Message,
- &ToolArgv, &GCCToolArgv);
+ GCCBinary, &ToolArgv,
+ &GCCToolArgv);
break;
case Custom:
Interpreter = AbstractInterpreter::createCustom(Message, CustomExecCommand);
SafeInterpreterSel = RunLLC;
SafeToolArgs.push_back("--relocation-model=pic");
SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message,
+ GCCBinary,
&SafeToolArgs,
&GCCToolArgv);
}
SafeInterpreterSel = RunLLC;
SafeToolArgs.push_back("--relocation-model=pic");
SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message,
+ GCCBinary,
&SafeToolArgs,
&GCCToolArgv);
}
InterpreterSel != RunCBE) {
SafeInterpreterSel = RunCBE;
SafeInterpreter = AbstractInterpreter::createCBE(Path.c_str(), Message,
+ GCCBinary,
&SafeToolArgs,
&GCCToolArgv);
}
SafeInterpreterSel = RunLLC;
SafeToolArgs.push_back("--relocation-model=pic");
SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message,
+ GCCBinary,
&SafeToolArgs,
&GCCToolArgv);
}
case RunLLCIA:
SafeToolArgs.push_back("--relocation-model=pic");
SafeInterpreter = AbstractInterpreter::createLLC(Path.c_str(), Message,
- &SafeToolArgs,
+ GCCBinary, &SafeToolArgs,
&GCCToolArgv,
SafeInterpreterSel == RunLLCIA);
break;
case RunCBE:
SafeInterpreter = AbstractInterpreter::createCBE(Path.c_str(), Message,
- &SafeToolArgs,
+ GCCBinary, &SafeToolArgs,
&GCCToolArgv);
break;
case Custom:
}
if (!SafeInterpreter) { outs() << Message << "\nExiting.\n"; exit(1); }
- gcc = GCC::create(Message, &GCCToolArgv);
+ gcc = GCC::create(Message, GCCBinary, &GCCToolArgv);
if (!gcc) { outs() << Message << "\nExiting.\n"; exit(1); }
// If there was an error creating the selected interpreter, quit with error.
return Interpreter == 0;
}
-/// compileProgram - Try to compile the specified module, throwing an exception
-/// if an error occurs, or returning normally if not. This is used for code
-/// generation crash testing.
+/// compileProgram - Try to compile the specified module, returning false and
+/// setting Error if an error occurs. This is used for code generation
+/// crash testing.
///
-void BugDriver::compileProgram(Module *M) {
+void BugDriver::compileProgram(Module *M, std::string *Error) {
// Emit the program to a bitcode file...
sys::Path BitcodeFile (OutputPrefix + "-test-program.bc");
std::string ErrMsg;
- if (BitcodeFile.makeUnique(true,&ErrMsg)) {
+ if (BitcodeFile.makeUnique(true, &ErrMsg)) {
errs() << ToolName << ": Error making unique filename: " << ErrMsg
<< "\n";
exit(1);
exit(1);
}
- // Remove the temporary bitcode file when we are done.
+ // Remove the temporary bitcode file when we are done.
FileRemover BitcodeFileRemover(BitcodeFile, !SaveTemps);
// Actually compile the program!
- Interpreter->compileProgram(BitcodeFile.str());
+ Interpreter->compileProgram(BitcodeFile.str(), Error);
}
std::string BugDriver::executeProgram(std::string OutputFile,
std::string BitcodeFile,
const std::string &SharedObj,
- AbstractInterpreter *AI) {
+ AbstractInterpreter *AI,
+ std::string *Error) {
if (AI == 0) AI = Interpreter;
assert(AI && "Interpreter should have been created already!");
bool CreatedBitcode = false;
if (!SharedObj.empty())
SharedObjs.push_back(SharedObj);
- int RetVal = AI->ExecuteProgram(BitcodeFile, InputArgv, InputFile,
- OutputFile, AdditionalLinkerArgs, SharedObjs,
+ int RetVal = AI->ExecuteProgram(BitcodeFile, InputArgv, InputFile, OutputFile,
+ Error, AdditionalLinkerArgs, SharedObjs,
Timeout, MemoryLimit);
+ if (!Error->empty())
+ return OutputFile;
if (RetVal == -1) {
errs() << "<timeout>";
/// executeProgramSafely - Used to create reference output with the "safe"
/// backend, if reference output is not provided.
///
-std::string BugDriver::executeProgramSafely(std::string OutputFile) {
- std::string outFN = executeProgram(OutputFile, "", "", SafeInterpreter);
- return outFN;
+std::string BugDriver::executeProgramSafely(std::string OutputFile,
+ std::string *Error) {
+ return executeProgram(OutputFile, "", "", SafeInterpreter, Error);
}
-std::string BugDriver::compileSharedObject(const std::string &BitcodeFile) {
+std::string BugDriver::compileSharedObject(const std::string &BitcodeFile,
+ std::string &Error) {
assert(Interpreter && "Interpreter should have been created already!");
sys::Path OutputFile;
// Using the known-good backend.
- GCC::FileType FT = SafeInterpreter->OutputCode(BitcodeFile, OutputFile);
+ GCC::FileType FT = SafeInterpreter->OutputCode(BitcodeFile, OutputFile,
+ Error);
+ if (!Error.empty())
+ return "";
std::string SharedObjectFile;
- if (gcc->MakeSharedObject(OutputFile.str(), FT,
- SharedObjectFile, AdditionalLinkerArgs))
+ bool Failure = gcc->MakeSharedObject(OutputFile.str(), FT, SharedObjectFile,
+ AdditionalLinkerArgs, Error);
+ if (!Error.empty())
+ return "";
+ if (Failure)
exit(1);
// Remove the intermediate C file
/// this function.
///
bool BugDriver::createReferenceFile(Module *M, const std::string &Filename) {
- try {
- compileProgram(Program);
- } catch (ToolExecutionError &) {
+ std::string Error;
+ compileProgram(Program, &Error);
+ if (!Error.empty())
return false;
- }
- try {
- ReferenceOutputFile = executeProgramSafely(Filename);
- outs() << "\nReference output is: " << ReferenceOutputFile << "\n\n";
- } catch (ToolExecutionError &TEE) {
- errs() << TEE.what();
+
+ ReferenceOutputFile = executeProgramSafely(Filename, &Error);
+ if (!Error.empty()) {
+ errs() << Error;
if (Interpreter != SafeInterpreter) {
errs() << "*** There is a bug running the \"safe\" backend. Either"
<< " debug it (for example with the -run-cbe bugpoint option,"
}
return false;
}
+ outs() << "\nReference output is: " << ReferenceOutputFile << "\n\n";
return true;
}
/// diffProgram - This method executes the specified module and diffs the
/// output against the file specified by ReferenceOutputFile. If the output
-/// is different, true is returned. If there is a problem with the code
-/// generator (e.g., llc crashes), this will throw an exception.
+/// is different, 1 is returned. If there is a problem with the code
+/// generator (e.g., llc crashes), this will return -1 and set Error.
///
bool BugDriver::diffProgram(const std::string &BitcodeFile,
const std::string &SharedObject,
- bool RemoveBitcode) {
+ bool RemoveBitcode,
+ std::string *ErrMsg) {
// Execute the program, generating an output file...
- sys::Path Output(executeProgram("", BitcodeFile, SharedObject, 0));
+ sys::Path Output(executeProgram("", BitcodeFile, SharedObject, 0, ErrMsg));
+ if (!ErrMsg->empty())
+ return false;
std::string Error;
bool FilesDifferent = false;