//===- BugDriver.h - Top-Level BugPoint class -------------------*- C++ -*-===//
+//
+// 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 class contains all of the shared state and information that is used by
// the BugPoint tool to track down errors in optimizations. This class is the
#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 addSources(const std::vector<std::string> &FileNames);
template<class It>
void addPasses(It I, It E) { PassesToRun.insert(PassesToRun.end(), I, E); }
+ void setPassesToRun(const std::vector<const PassInfo*> &PTR) {
+ PassesToRun = PTR;
+ }
/// run - The top level method that is invoked after all of the instance
/// variables are set up from command line arguments.
///
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.
+ ///
+ std::string compileSharedObject(const std::string &BytecodeFile);
+
+ /// 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.
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 = "",
+ const std::string &SharedObjects = "",
+ AbstractInterpreter *AI = 0);
+
+ /// executeProgramWithCBE - Used to create reference output with the C
+ /// backend, if reference output is not provided.
+ ///
+ std::string executeProgramWithCBE(std::string OutputFile = "",
+ std::string BytecodeFile = "",
+ const std::string &SharedObj = "") {
+ return executeProgram(OutputFile, BytecodeFile, SharedObj,
+ (AbstractInterpreter*)cbe);
+ }
/// 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 &SharedObj = "",
bool RemoveBytecode = false);
};
///
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