#include <vector>
#include <string>
+
class PassInfo;
class Module;
class Function;
class AbstractInterpreter;
class Instruction;
+class DebugCrashes;
+class ReduceMiscompilingPasses;
+class ReduceMiscompilingFunctions;
+class ReduceCrashingFunctions;
+class ReduceCrashingBlocks;
+
+class CBE;
+class GCC;
+
+extern bool DisableSimplifyCFG;
+
class BugDriver {
const std::string ToolName; // Name of bugpoint
+ std::string ReferenceOutputFile; // Name of `good' output file
Module *Program; // The raw program, linked together
std::vector<const PassInfo*> PassesToRun;
AbstractInterpreter *Interpreter; // How to run the program
+ CBE *cbe;
+ GCC *gcc;
+
+ // FIXME: sort out public/private distinctions...
+ friend class DebugCrashes;
+ friend class ReduceMiscompilingPasses;
+ friend class ReduceMiscompilingFunctions;
+ friend class ReduceMisCodegenFunctions;
+ friend class ReduceCrashingFunctions;
+ friend class ReduceCrashingBlocks;
+
public:
- BugDriver(const char *toolname)
- : ToolName(toolname), Program(0), Interpreter(0) {}
+ BugDriver(const char *toolname);
const std::string &getToolName() const { return ToolName; }
///
bool debugCrash();
- /// debugPassCrash - This method is called when the specified pass crashes on
- /// Program as input. It tries to reduce the testcase to something that still
- /// crashes, but it smaller.
- ///
- bool debugPassCrash(const PassInfo *PI);
-
/// debugMiscompilation - This method is used when the passes selected are not
/// crashing, but the generated output is semantically different from the
/// input.
bool debugPassMiscompilation(const PassInfo *ThePass,
const std::string &ReferenceOutput);
+ /// compileSharedObject - This method creates a SharedObject from a given
+ /// BytecodeFile for debugging a code generator.
+ int compileSharedObject(const std::string &BytecodeFile,
+ std::string &SharedObject);
+
+ /// 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();
+
+ /// isExecutingJIT - Returns true if bugpoint is currently testing the JIT
+ ///
+ bool isExecutingJIT();
+
private:
/// ParseInputFile - Given a bytecode or assembly input filename, parse and
/// return it, or return null if not possible.
/// EmitProgressBytecode - This function is used to output the current Program
/// to a file named "bugpoing-ID.bc".
///
- void EmitProgressBytecode(const PassInfo *Pass, const std::string &ID);
+ void EmitProgressBytecode(const std::string &ID, bool NoFlyer = false);
/// runPasses - Run the specified passes on Program, outputting a bytecode
/// file and writting the filename into OutputFile if successful. If the
return runPasses(PassesToRun, Filename, DeleteOutput);
}
- /// runPass - Run only the specified pass on the program.
- ///
- bool runPass(const PassInfo *P, bool DeleteOutput = true) const {
- return runPasses(std::vector<const PassInfo*>(1, P), DeleteOutput);
- }
-
- /// extractFunctionFromModule - This method is used to extract the specified
- /// (non-external) function from the current program, slim down the module,
- /// and then return it. This does not modify Program at all, it modifies a
- /// copy, which it returns.
+ /// PrintFunctionList - prints out list of problematic functions
///
- Module *extractFunctionFromModule(Function *F) const;
+ static void PrintFunctionList(const std::vector<Function*> &Funcs);
/// deleteInstructionFromProgram - This method clones the current Program and
/// deletes the specified instruction from the cloned module. It then runs a
/// performFinalCleanups - This method clones the current Program and performs
/// a series of cleanups intended to get rid of extra cruft on the module
- /// before handing it to the user...
+ /// before handing it to the user... if the module parameter is specified, it
+ /// operates directly on the specified Module, modifying it in place.
///
- Module *performFinalCleanups() const;
+ Module *performFinalCleanups(Module *M = 0) const;
/// initializeExecutionEnvironment - This method is used to set up the
/// environment for executing LLVM programs.
/// filename may be optionally specified.
///
std::string executeProgram(std::string RequestedOutputFilename = "",
- std::string Bytecode = "");
+ std::string Bytecode = "",
+ std::string SharedObject = "",
+ AbstractInterpreter *AI = 0);
+
+ /// executeProgramWithCBE - Used to create reference output with the C
+ /// backend, if reference output is not provided.
+ std::string executeProgramWithCBE(std::string RequestedOutputFilename = "",
+ std::string Bytecode = "",
+ std::string SharedObject = "");
/// 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.
///
- bool diffProgram(const std::string &ReferenceOutputFile,
- const std::string &BytecodeFile = "");
+ bool diffProgram(const std::string &BytecodeFile = "",
+ const std::string &SharedObject = "",
+ bool RemoveBytecode = false);
};
+/// getPassesString - Turn a list of passes into a string which indicates the
+/// command line options that must be passed to add the passes.
+///
+std::string getPassesString(const std::vector<const PassInfo*> &Passes);
+
+// DeleteFunctionBody - "Remove" the function by deleting all of it's basic
+// blocks, making it external.
+//
+void DeleteFunctionBody(Function *F);
+
#endif