class BasicBlock;
class AbstractInterpreter;
class Instruction;
-struct LLVMContext;
+class LLVMContext;
class DebugCrashes;
class BugDriver {
LLVMContext& Context;
- const std::string ToolName; // Name of bugpoint
+ const char *ToolName; // argv[0] of bugpoint
std::string ReferenceOutputFile; // Name of `good' output file
Module *Program; // The raw program, linked together
std::vector<const PassInfo*> PassesToRun;
bool run_find_bugs;
unsigned Timeout;
unsigned MemoryLimit;
+ bool UseValgrind;
// FIXME: sort out public/private distinctions...
friend class ReducePassList;
public:
BugDriver(const char *toolname, bool as_child, bool find_bugs,
- unsigned timeout, unsigned memlimit, LLVMContext& ctxt);
+ unsigned timeout, unsigned memlimit, bool use_valgrind,
+ LLVMContext& ctxt);
+ ~BugDriver();
- const std::string &getToolName() const { return ToolName; }
+ const char *getToolName() const { return ToolName; }
LLVMContext& getContext() { return Context; }
/// variables are set up from command line arguments. The \p as_child argument
/// indicates whether the driver is to run in parent mode or child mode.
///
- bool run();
+ bool run(std::string &ErrMsg);
/// debugOptimizerCrash - This method is called when some optimizer pass
/// crashes on input. It attempts to prune down the testcase to something
/// debugCodeGeneratorCrash - This method is called when the code generator
/// crashes on an input. It attempts to reduce the input as much as possible
/// while still causing the code generator to crash.
- bool debugCodeGeneratorCrash();
+ bool debugCodeGeneratorCrash(std::string &Error);
/// debugMiscompilation - This method is used when the passes selected are not
/// crashing, but the generated output is semantically different from the
/// input.
- bool debugMiscompilation();
+ void debugMiscompilation(std::string *Error);
/// debugPassMiscompilation - This method is called when the specified pass
/// miscompiles Program as input. It tries to reduce the testcase to
/// compileSharedObject - This method creates a SharedObject from a given
/// BitcodeFile for debugging a code generator.
///
- std::string compileSharedObject(const std::string &BitcodeFile);
+ std::string compileSharedObject(const std::string &BitcodeFile,
+ std::string &Error);
/// debugCodeGenerator - This method narrows down a module to a function or
/// set of functions, using the CBE as a ``safe'' code generator for other
/// functions that are not under consideration.
- bool debugCodeGenerator();
+ bool debugCodeGenerator(std::string *Error);
/// isExecutingJIT - Returns true if bugpoint is currently testing the JIT
///
/// the specified one as the current program.
void setNewProgram(Module *M);
- /// 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 compileProgram(Module *M);
+ void compileProgram(Module *M, std::string *Error);
/// executeProgram - This method runs "Program", capturing the output of the
- /// program to a file, returning the filename of the file. A recommended
- /// filename may be optionally specified. If there is a problem with the code
- /// generator (e.g., llc crashes), this will throw an exception.
+ /// program to a file. A recommended filename may be optionally specified.
///
- std::string executeProgram(std::string RequestedOutputFilename = "",
- std::string Bitcode = "",
- const std::string &SharedObjects = "",
- AbstractInterpreter *AI = 0,
- bool *ProgramExitedNonzero = 0);
+ std::string executeProgram(std::string OutputFilename,
+ std::string Bitcode,
+ const std::string &SharedObjects,
+ AbstractInterpreter *AI,
+ std::string *Error);
/// executeProgramSafely - Used to create reference output with the "safe"
/// backend, if reference output is not provided. If there is a problem with
- /// the code generator (e.g., llc crashes), this will throw an exception.
+ /// the code generator (e.g., llc crashes), this will return false and set
+ /// Error.
///
- std::string executeProgramSafely(std::string OutputFile = "");
+ std::string executeProgramSafely(std::string OutputFile, std::string *Error);
/// createReferenceFile - calls compileProgram and then records the output
/// into ReferenceOutputFile. Returns true if reference file created, false
/// 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 diffProgram(const std::string &BitcodeFile = "",
const std::string &SharedObj = "",
- bool RemoveBitcode = false);
-
+ bool RemoveBitcode = false,
+ std::string *Error = 0);
+
/// EmitProgressBitcode - This function is used to output the current Program
/// to a file named "bugpoint-ID.bc".
///
/// If the passes did not compile correctly, output the command required to
/// recreate the failure. This returns true if a compiler error is found.
///
- bool runManyPasses(const std::vector<const PassInfo*> &AllPasses);
+ bool runManyPasses(const std::vector<const PassInfo*> &AllPasses,
+ std::string &ErrMsg);
/// writeProgramToFile - This writes the current "Program" to the named
/// bitcode file. If an error occurs, true is returned.