#include "llvm/Target/TargetData.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
-#include "llvm/Config/alloca.h"
#define DONT_GET_PLUGIN_LOADER_OPTION
#include "llvm/Support/PluginLoader.h"
#include <fstream>
using namespace llvm;
+namespace llvm {
+ extern cl::opt<std::string> OutputPrefix;
+}
namespace {
// ChildOutput - This option captures the name of the child output file that
// is set up by the parent bugpoint process
cl::opt<std::string> ChildOutput("child-output", cl::ReallyHidden);
- cl::opt<bool> UseValgrind("enable-valgrind",
- cl::desc("Run optimizations through valgrind"));
}
/// writeProgramToFile - This writes the current "Program" to the named bitcode
/// file. If an error occurs, true is returned.
///
bool BugDriver::writeProgramToFile(const std::string &Filename,
- Module *M) const {
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream Out(Filename.c_str(), io_mode);
- if (!Out.good()) return true;
+ const Module *M) const {
+ std::string ErrInfo;
+ raw_fd_ostream Out(Filename.c_str(), ErrInfo,
+ raw_fd_ostream::F_Binary);
+ if (!ErrInfo.empty()) return true;
- WriteBitcodeToFile(M ? M : Program, Out);
+ WriteBitcodeToFile(M, Out);
return false;
}
/// EmitProgressBitcode - This function is used to output the current Program
/// to a file named "bugpoint-ID.bc".
///
-void BugDriver::EmitProgressBitcode(const std::string &ID, bool NoFlyer) {
+void BugDriver::EmitProgressBitcode(const Module *M,
+ const std::string &ID,
+ bool NoFlyer) const {
// Output the input to the current pass to a bitcode file, emit a message
// telling the user how to reproduce it: opt -foo blah.bc
//
- std::string Filename = "bugpoint-" + ID + ".bc";
- if (writeProgramToFile(Filename)) {
+ std::string Filename = OutputPrefix + "-" + ID + ".bc";
+ if (writeProgramToFile(Filename, M)) {
errs() << "Error opening file '" << Filename << "' for writing!\n";
return;
}
outs() << "Emitted bitcode to '" << Filename << "'\n";
if (NoFlyer || PassesToRun.empty()) return;
outs() << "\n*** You can reproduce the problem with: ";
+ if (UseValgrind) outs() << "valgrind ";
outs() << "opt " << Filename << " ";
outs() << getPassesString(PassesToRun) << "\n";
}
int BugDriver::runPassesAsChild(const std::vector<const PassInfo*> &Passes) {
-
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream OutFile(ChildOutput.c_str(), io_mode);
- if (!OutFile.good()) {
+ std::string ErrInfo;
+ raw_fd_ostream OutFile(ChildOutput.c_str(), ErrInfo,
+ raw_fd_ostream::F_Binary);
+ if (!ErrInfo.empty()) {
errs() << "Error opening bitcode file: " << ChildOutput << "\n";
return 1;
}
PM.add(createVerifierPass());
// Write bitcode out to disk as the last step...
- PM.add(CreateBitcodeWriterPass(OutFile));
+ PM.add(createBitcodeWriterPass(OutFile));
// Run all queued passes.
PM.run(*Program);
/// outs() a single line message indicating whether compilation was successful
/// or failed.
///
-bool BugDriver::runPasses(const std::vector<const PassInfo*> &Passes,
+bool BugDriver::runPasses(Module *Program,
+ const std::vector<const PassInfo*> &Passes,
std::string &OutputFilename, bool DeleteOutput,
bool Quiet, unsigned NumExtraArgs,
const char * const *ExtraArgs) const {
// setup the output file name
outs().flush();
- sys::Path uniqueFilename("bugpoint-output.bc");
+ sys::Path uniqueFilename(OutputPrefix + "-output.bc");
std::string ErrMsg;
if (uniqueFilename.makeUnique(true, &ErrMsg)) {
errs() << getToolName() << ": Error making unique filename: "
<< ErrMsg << "\n";
return(1);
}
- OutputFilename = uniqueFilename.toString();
+ OutputFilename = uniqueFilename.str();
// set up the input file name
- sys::Path inputFilename("bugpoint-input.bc");
+ sys::Path inputFilename(OutputPrefix + "-input.bc");
if (inputFilename.makeUnique(true, &ErrMsg)) {
errs() << getToolName() << ": Error making unique filename: "
<< ErrMsg << "\n";
return(1);
}
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream InFile(inputFilename.c_str(), io_mode);
- if (!InFile.good()) {
- errs() << "Error opening bitcode file: " << inputFilename << "\n";
- return(1);
+
+ std::string ErrInfo;
+ raw_fd_ostream InFile(inputFilename.c_str(), ErrInfo,
+ raw_fd_ostream::F_Binary);
+
+
+ if (!ErrInfo.empty()) {
+ errs() << "Error opening bitcode file: " << inputFilename.str() << "\n";
+ return 1;
}
WriteBitcodeToFile(Program, InFile);
InFile.close();
// setup the child process' arguments
- const char** args = (const char**)
- alloca(sizeof(const char*) *
- (Passes.size()+13+2*PluginLoader::getNumPlugins()+NumExtraArgs));
- int n = 0;
+ SmallVector<const char*, 8> Args;
sys::Path tool = sys::Program::FindProgramByName(ToolName);
if (UseValgrind) {
- args[n++] = "valgrind";
- args[n++] = "--error-exitcode=1";
- args[n++] = "-q";
- args[n++] = tool.c_str();
+ Args.push_back("valgrind");
+ Args.push_back("--error-exitcode=1");
+ Args.push_back("-q");
+ Args.push_back(tool.c_str());
} else
- args[n++] = ToolName;
+ Args.push_back(ToolName);
- args[n++] = "-as-child";
- args[n++] = "-child-output";
- args[n++] = OutputFilename.c_str();
+ Args.push_back("-as-child");
+ Args.push_back("-child-output");
+ Args.push_back(OutputFilename.c_str());
std::vector<std::string> pass_args;
for (unsigned i = 0, e = PluginLoader::getNumPlugins(); i != e; ++i) {
pass_args.push_back( std::string("-load"));
pass_args.push_back( std::string("-") + (*I)->getPassArgument() );
for (std::vector<std::string>::const_iterator I = pass_args.begin(),
E = pass_args.end(); I != E; ++I )
- args[n++] = I->c_str();
- args[n++] = inputFilename.c_str();
+ Args.push_back(I->c_str());
+ Args.push_back(inputFilename.c_str());
for (unsigned i = 0; i < NumExtraArgs; ++i)
- args[n++] = *ExtraArgs;
- args[n++] = 0;
+ Args.push_back(*ExtraArgs);
+ Args.push_back(0);
sys::Path prog;
if (UseValgrind)
sys::Path Nowhere;
const sys::Path *Redirects[3] = {0, &Nowhere, &Nowhere};
- int result = sys::Program::ExecuteAndWait(prog, args, 0, (SilencePasses ? Redirects : 0),
+ int result = sys::Program::ExecuteAndWait(prog, Args.data(), 0,
+ (SilencePasses ? Redirects : 0),
Timeout, MemoryLimit, &ErrMsg);
// If we are supposed to delete the bitcode file or if the passes crashed,
const std::vector<const PassInfo*> &Passes,
bool AutoDebugCrashes, unsigned NumExtraArgs,
const char * const *ExtraArgs) {
- Module *OldProgram = swapProgramIn(M);
std::string BitcodeResult;
- if (runPasses(Passes, BitcodeResult, false/*delete*/, true/*quiet*/,
+ if (runPasses(M, Passes, BitcodeResult, false/*delete*/, true/*quiet*/,
NumExtraArgs, ExtraArgs)) {
if (AutoDebugCrashes) {
errs() << " Error running this sequence of passes"
<< " on the input program!\n";
- delete OldProgram;
- EmitProgressBitcode("pass-error", false);
+ delete swapProgramIn(M);
+ EmitProgressBitcode(M, "pass-error", false);
exit(debugOptimizerCrash());
}
- swapProgramIn(OldProgram);
return 0;
}
- // Restore the current program.
- swapProgramIn(OldProgram);
-
Module *Ret = ParseInputFile(BitcodeResult, Context);
if (Ret == 0) {
errs() << getToolName() << ": Error reading bitcode file '"