#include "BugDriver.h"
#include "ToolRunner.h"
-#include "llvm/Linker.h"
-#include "llvm/Module.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IRReader/IRReader.h"
+#include "llvm/Linker/Linker.h"
#include "llvm/Pass.h"
-#include "llvm/Support/IRReader.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
-#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Host.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Host.h"
#include <memory>
using namespace llvm;
/// 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 llvm::getPassesString(const std::vector<const PassInfo*> &Passes) {
+std::string llvm::getPassesString(const std::vector<std::string> &Passes) {
std::string Result;
for (unsigned i = 0, e = Passes.size(); i != e; ++i) {
if (i) Result += " ";
Result += "-";
- Result += Passes[i]->getPassArgument();
+ Result += Passes[i];
}
return Result;
}
-BugDriver::BugDriver(const char *toolname, bool as_child, bool find_bugs,
- unsigned timeout, unsigned memlimit,
+BugDriver::BugDriver(const char *toolname, bool find_bugs,
+ unsigned timeout, unsigned memlimit, bool use_valgrind,
LLVMContext& ctxt)
: Context(ctxt), ToolName(toolname), ReferenceOutputFile(OutputFile),
- Program(0), Interpreter(0), SafeInterpreter(0), gcc(0),
- run_as_child(as_child), run_find_bugs(find_bugs), Timeout(timeout),
- MemoryLimit(memlimit) {}
+ Program(nullptr), Interpreter(nullptr), SafeInterpreter(nullptr),
+ gcc(nullptr), run_find_bugs(find_bugs), Timeout(timeout),
+ MemoryLimit(memlimit), UseValgrind(use_valgrind) {}
+BugDriver::~BugDriver() {
+ delete Program;
+ if (Interpreter != SafeInterpreter)
+ delete Interpreter;
+ delete SafeInterpreter;
+ delete gcc;
+}
-/// ParseInputFile - Given a bitcode or assembly input filename, parse and
-/// return it, or return null if not possible.
-///
-Module *llvm::ParseInputFile(const std::string &Filename,
- LLVMContext& Ctxt) {
+std::unique_ptr<Module> llvm::parseInputFile(StringRef Filename,
+ LLVMContext &Ctxt) {
SMDiagnostic Err;
- Module *Result = ParseIRFile(Filename, Err, Ctxt);
+ std::unique_ptr<Module> Result = parseIRFile(Filename, Err, Ctxt);
if (!Result)
- Err.Print("bugpoint", errs());
+ Err.print("bugpoint", errs());
// If we don't have an override triple, use the first one to configure
// bugpoint, or use the host triple if none provided.
Triple TheTriple(Result->getTargetTriple());
if (TheTriple.getTriple().empty())
- TheTriple.setTriple(sys::getHostTriple());
-
+ TheTriple.setTriple(sys::getDefaultTargetTriple());
+
TargetTriple.setTriple(TheTriple.getTriple());
}
// parsed), and false on success.
//
bool BugDriver::addSources(const std::vector<std::string> &Filenames) {
- assert(Program == 0 && "Cannot call addSources multiple times!");
+ assert(!Program && "Cannot call addSources multiple times!");
assert(!Filenames.empty() && "Must specify at least on input filename!");
- try {
- // Load the first input file.
- Program = ParseInputFile(Filenames[0], Context);
- if (Program == 0) return true;
-
- if (!run_as_child)
- outs() << "Read input file : '" << Filenames[0] << "'\n";
-
- for (unsigned i = 1, e = Filenames.size(); i != e; ++i) {
- std::auto_ptr<Module> M(ParseInputFile(Filenames[i], Context));
- if (M.get() == 0) return true;
-
- if (!run_as_child)
- outs() << "Linking in input file: '" << Filenames[i] << "'\n";
- std::string ErrorMessage;
- if (Linker::LinkModules(Program, M.get(), &ErrorMessage)) {
- errs() << ToolName << ": error linking in '" << Filenames[i] << "': "
- << ErrorMessage << '\n';
- return true;
- }
- }
- } catch (const std::string &Error) {
- errs() << ToolName << ": error reading input '" << Error << "'\n";
- return true;
+ // Load the first input file.
+ Program = parseInputFile(Filenames[0], Context).release();
+ if (!Program) return true;
+
+ outs() << "Read input file : '" << Filenames[0] << "'\n";
+
+ for (unsigned i = 1, e = Filenames.size(); i != e; ++i) {
+ std::unique_ptr<Module> M = parseInputFile(Filenames[i], Context);
+ if (!M.get()) return true;
+
+ outs() << "Linking in input file: '" << Filenames[i] << "'\n";
+ if (Linker::LinkModules(Program, M.get()))
+ return true;
}
- if (!run_as_child)
- outs() << "*** All input ok\n";
+ outs() << "*** All input ok\n";
// All input files read successfully!
return false;
/// run - The top level method that is invoked after all of the instance
/// variables are set up from command line arguments.
///
-bool BugDriver::run() {
- // The first thing to do is determine if we're running as a child. If we are,
- // then what to do is very narrow. This form of invocation is only called
- // from the runPasses method to actually run those passes in a child process.
- if (run_as_child) {
- // Execute the passes
- return runPassesAsChild(PassesToRun);
- }
-
+bool BugDriver::run(std::string &ErrMsg) {
if (run_find_bugs) {
// Rearrange the passes and apply them to the program. Repeat this process
// until the user kills the program or we find a bug.
- return runManyPasses(PassesToRun);
+ return runManyPasses(PassesToRun, ErrMsg);
}
- // If we're not running as a child, the first thing that we must do is
- // determine what the problem is. Does the optimization series crash the
- // compiler, or does it produce illegal code? We make the top-level
- // decision by trying to run all of the passes on the the input program,
- // which should generate a bitcode file. If it does generate a bitcode
- // file, then we know the compiler didn't crash, so try to diagnose a
+ // If we're not running as a child, the first thing that we must do is
+ // determine what the problem is. Does the optimization series crash the
+ // compiler, or does it produce illegal code? We make the top-level
+ // decision by trying to run all of the passes on the input program,
+ // which should generate a bitcode file. If it does generate a bitcode
+ // file, then we know the compiler didn't crash, so try to diagnose a
// miscompilation.
if (!PassesToRun.empty()) {
outs() << "Running selected passes on program to test for crash: ";
- if (runPasses(PassesToRun))
+ if (runPasses(Program, PassesToRun))
return debugOptimizerCrash();
}
// Test to see if we have a code generator crash.
outs() << "Running the code generator to test for a crash: ";
- try {
- compileProgram(Program);
- outs() << '\n';
- } catch (ToolExecutionError &TEE) {
- outs() << TEE.what();
- return debugCodeGeneratorCrash();
+ std::string Error;
+ compileProgram(Program, &Error);
+ if (!Error.empty()) {
+ outs() << Error;
+ return debugCodeGeneratorCrash(ErrMsg);
}
-
+ outs() << '\n';
// Run the raw input to see where we are coming from. If a reference output
// was specified, make sure that the raw output matches it. If not, it's a
bool CreatedOutput = false;
if (ReferenceOutputFile.empty()) {
outs() << "Generating reference output from raw program: ";
- if(!createReferenceFile(Program)){
- return debugCodeGeneratorCrash();
+ if (!createReferenceFile(Program)) {
+ return debugCodeGeneratorCrash(ErrMsg);
}
CreatedOutput = true;
}
// Make sure the reference output file gets deleted on exit from this
// function, if appropriate.
- sys::Path ROF(ReferenceOutputFile);
+ std::string ROF(ReferenceOutputFile);
FileRemover RemoverInstance(ROF, CreatedOutput && !SaveTemps);
// Diff the output of the raw program against the reference output. If it
- // matches, then we assume there is a miscompilation bug and try to
+ // matches, then we assume there is a miscompilation bug and try to
// diagnose it.
outs() << "*** Checking the code generator...\n";
- try {
- if (!diffProgram()) {
- outs() << "\n*** Output matches: Debugging miscompilation!\n";
- return debugMiscompilation();
+ bool Diff = diffProgram(Program, "", "", false, &Error);
+ if (!Error.empty()) {
+ errs() << Error;
+ return debugCodeGeneratorCrash(ErrMsg);
+ }
+ if (!Diff) {
+ outs() << "\n*** Output matches: Debugging miscompilation!\n";
+ debugMiscompilation(&Error);
+ if (!Error.empty()) {
+ errs() << Error;
+ return debugCodeGeneratorCrash(ErrMsg);
}
- } catch (ToolExecutionError &TEE) {
- errs() << TEE.what();
- return debugCodeGeneratorCrash();
+ return false;
}
outs() << "\n*** Input program does not match reference diff!\n";
outs() << "Debugging code generator problem!\n";
- try {
- return debugCodeGenerator();
- } catch (ToolExecutionError &TEE) {
- errs() << TEE.what();
- return debugCodeGeneratorCrash();
+ bool Failure = debugCodeGenerator(&Error);
+ if (!Error.empty()) {
+ errs() << Error;
+ return debugCodeGeneratorCrash(ErrMsg);
}
+ return Failure;
}
void llvm::PrintFunctionList(const std::vector<Function*> &Funcs) {
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