//===- 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
class PassInfo;
class Module;
class Function;
+class BasicBlock;
class AbstractInterpreter;
class Instruction;
class DebugCrashes;
-class ReduceMiscompilingPasses;
-class ReduceMiscompilingFunctions;
class CBE;
class GCC;
extern bool DisableSimplifyCFG;
+/// BugpointIsInterrupted - Set to true when the user presses ctrl-c.
+///
+extern bool BugpointIsInterrupted;
+
class BugDriver {
const std::string ToolName; // Name of bugpoint
std::string ReferenceOutputFile; // Name of `good' output file
AbstractInterpreter *Interpreter; // How to run the program
CBE *cbe;
GCC *gcc;
+ bool run_as_child;
+ unsigned Timeout;
// FIXME: sort out public/private distinctions...
friend class ReducePassList;
- friend class ReduceMiscompilingPasses;
- friend class ReduceMiscompilingFunctions;
friend class ReduceMisCodegenFunctions;
public:
- BugDriver(const char *toolname);
+ BugDriver(const char *toolname, bool as_child, unsigned timeout);
const std::string &getToolName() const { return ToolName; }
void setPassesToRun(const std::vector<const PassInfo*> &PTR) {
PassesToRun = PTR;
}
+ const std::vector<const PassInfo*> &getPassesToRun() const {
+ return PassesToRun;
+ }
/// run - The top level method that is invoked after all of the instance
- /// variables are set up from command line arguments.
+ /// 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();
/// reasonable, and figure out exactly which pass is crashing.
///
bool debugOptimizerCrash();
-
+
/// 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.
/// are to match.
///
bool debugPassMiscompilation(const PassInfo *ThePass,
- const std::string &ReferenceOutput);
+ const std::string &ReferenceOutput);
/// compileSharedObject - This method creates a SharedObject from a given
/// BytecodeFile for debugging a code generator.
return Result;
}
- const Module *getProgram() const { return Program; }
+ Module *getProgram() const { return Program; }
+
+ /// swapProgramIn - Set the current module to the specified module, returning
+ /// the old one.
+ Module *swapProgramIn(Module *M) {
+ Module *OldProgram = Program;
+ Program = M;
+ return OldProgram;
+ }
+
+ AbstractInterpreter *switchToCBE() {
+ AbstractInterpreter *Old = Interpreter;
+ Interpreter = (AbstractInterpreter*)cbe;
+ return Old;
+ }
+
+ void switchToInterpreter(AbstractInterpreter *AI) {
+ Interpreter = AI;
+ }
/// setNewProgram - If we reduce or update the program somehow, call this
/// method to update bugdriver with it. This deletes the old module and sets
/// program or if the loop extractor crashes.
Module *ExtractLoop(Module *M);
-private:
- /// ParseInputFile - Given a bytecode or assembly input filename, parse and
- /// return it, or return null if not possible.
- ///
- Module *ParseInputFile(const std::string &InputFilename) const;
-
- /// writeProgramToFile - This writes the current "Program" to the named
- /// bytecode file. If an error occurs, true is returned.
- ///
- bool writeProgramToFile(const std::string &Filename, Module *M = 0) const;
+ /// ExtractMappedBlocksFromModule - Extract all but the specified basic blocks
+ /// into their own functions. The only detail is that M is actually a module
+ /// cloned from the one the BBs are in, so some mapping needs to be performed.
+ /// If this operation fails for some reason (ie the implementation is buggy),
+ /// this function should return null, otherwise it returns a new Module.
+ Module *ExtractMappedBlocksFromModule(const std::vector<BasicBlock*> &BBs,
+ Module *M);
+
+ /// runPassesOn - Carefully run the specified set of pass on the specified
+ /// module, returning the transformed module on success, or a null pointer on
+ /// failure. If AutoDebugCrashes is set to true, then bugpoint will
+ /// automatically attempt to track down a crashing pass if one exists, and
+ /// this method will never return null.
+ Module *runPassesOn(Module *M, const std::vector<const PassInfo*> &Passes,
+ bool AutoDebugCrashes = false);
/// runPasses - Run the specified passes on Program, outputting a bytecode
/// file and writting the filename into OutputFile if successful. If the
///
bool runPasses(const std::vector<const PassInfo*> &PassesToRun,
std::string &OutputFilename, bool DeleteOutput = false,
- bool Quiet = false) const;
+ bool Quiet = false) const;
+
+ /// writeProgramToFile - This writes the current "Program" to the named
+ /// bytecode file. If an error occurs, true is returned.
+ ///
+ bool writeProgramToFile(const std::string &Filename, Module *M = 0) const;
+private:
/// runPasses - Just like the method above, but this just returns true or
/// false indicating whether or not the optimizer crashed on the specified
/// input (true = crashed).
return runPasses(PassesToRun, Filename, DeleteOutput);
}
- /// PrintFunctionList - prints out list of problematic functions
- ///
- static void PrintFunctionList(const std::vector<Function*> &Funcs);
+ /// runAsChild - The actual "runPasses" guts that runs in a child process.
+ int runPassesAsChild(const std::vector<const PassInfo*> &PassesToRun);
/// initializeExecutionEnvironment - This method is used to set up the
/// environment for executing LLVM programs.
bool initializeExecutionEnvironment();
};
+/// ParseInputFile - Given a bytecode or assembly input filename, parse and
+/// return it, or return null if not possible.
+///
+Module *ParseInputFile(const std::string &InputFilename);
+
+
/// 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);
+/// PrintFunctionList - prints out list of problematic functions
+///
+void PrintFunctionList(const std::vector<Function*> &Funcs);
+
// DeleteFunctionBody - "Remove" the function by deleting all of it's basic
// blocks, making it external.
//
projects / oota-llvm.git / blobdiff