//===----------------------------------------------------------------------===//
#include "BugDriver.h"
-#include "llvm/Constants.h"
-#include "llvm/DataLayout.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Verifier.h"
#include "llvm/Pass.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Assembly/Writer.h"
-#include "llvm/Transforms/IPO.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Transforms/Utils/Cloning.h"
-#include "llvm/Transforms/Utils/CodeExtractor.h"
+#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FileUtilities.h"
-#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Transforms/IPO.h"
+#include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/Utils/Cloning.h"
+#include "llvm/Transforms/Utils/CodeExtractor.h"
#include <set>
using namespace llvm;
+#define DEBUG_TYPE "bugpoint"
+
namespace llvm {
bool DisableSimplifyCFG = false;
extern cl::opt<std::string> OutputPrefix;
Function* globalInitUsesExternalBA(GlobalVariable* GV) {
if (!GV->hasInitializer())
- return 0;
+ return nullptr;
Constant *I = GV->getInitializer();
Todo.push_back(C);
}
}
- return 0;
+ return nullptr;
}
} // end anonymous namespace
CleanupPasses.push_back("deadargelim");
Module *New = runPassesOn(M, CleanupPasses);
- if (New == 0) {
+ if (!New) {
errs() << "Final cleanups failed. Sorry. :( Please report a bug!\n";
return M;
}
LoopExtractPasses.push_back("loop-extract-single");
Module *NewM = runPassesOn(M, LoopExtractPasses);
- if (NewM == 0) {
+ if (!NewM) {
outs() << "*** Loop extraction failed: ";
EmitProgressBitcode(M, "loopextraction", true);
outs() << "*** Sorry. :( Please report a bug!\n";
- return 0;
+ return nullptr;
}
// Check to see if we created any new functions. If not, no loops were
static unsigned NumExtracted = 32;
if (M->size() == NewM->size() || --NumExtracted == 0) {
delete NewM;
- return 0;
+ return nullptr;
} else {
assert(M->size() < NewM->size() && "Loop extract removed functions?");
Module::iterator MI = NewM->begin();
for (unsigned i = 0, e = F.size(); i != e; ++i) {
Function *TNOF = cast<Function>(VMap[F[i]]);
DEBUG(errs() << "Removing function ");
- DEBUG(WriteAsOperand(errs(), TNOF, false));
+ DEBUG(TNOF->printAsOperand(errs(), false));
DEBUG(errs() << "\n");
TestFunctions.insert(cast<Function>(NewVMap[TNOF]));
DeleteFunctionBody(TNOF); // Function is now external in this module!
if (Function *SafeFn = globalInitUsesExternalBA(GV)) {
errs() << "*** Error: when reducing functions, encountered "
"the global '";
- WriteAsOperand(errs(), GV, false);
+ GV->printAsOperand(errs(), false);
errs() << "' with an initializer that references blockaddresses "
"from safe function '" << SafeFn->getName()
<< "' and from test function '" << TestFn->getName() << "'.\n";
exit(1);
}
- I->setInitializer(0); // Delete the initializer to make it external
+ I->setInitializer(nullptr); // Delete the initializer to make it external
} else {
// If we keep it in the safe module, then delete it in the test module
- GV->setInitializer(0);
+ GV->setInitializer(nullptr);
}
}
Module *BugDriver::ExtractMappedBlocksFromModule(const
std::vector<BasicBlock*> &BBs,
Module *M) {
- sys::Path uniqueFilename(OutputPrefix + "-extractblocks");
- std::string ErrMsg;
- if (uniqueFilename.createTemporaryFileOnDisk(true, &ErrMsg)) {
+ SmallString<128> Filename;
+ int FD;
+ error_code EC = sys::fs::createUniqueFile(
+ OutputPrefix + "-extractblocks%%%%%%%", FD, Filename);
+ if (EC) {
outs() << "*** Basic Block extraction failed!\n";
- errs() << "Error creating temporary file: " << ErrMsg << "\n";
+ errs() << "Error creating temporary file: " << EC.message() << "\n";
EmitProgressBitcode(M, "basicblockextractfail", true);
- return 0;
+ return nullptr;
}
- sys::RemoveFileOnSignal(uniqueFilename);
+ sys::RemoveFileOnSignal(Filename);
- std::string ErrorInfo;
- tool_output_file BlocksToNotExtractFile(uniqueFilename.c_str(), ErrorInfo);
- if (!ErrorInfo.empty()) {
- outs() << "*** Basic Block extraction failed!\n";
- errs() << "Error writing list of blocks to not extract: " << ErrorInfo
- << "\n";
- EmitProgressBitcode(M, "basicblockextractfail", true);
- return 0;
- }
+ tool_output_file BlocksToNotExtractFile(Filename.c_str(), FD);
for (std::vector<BasicBlock*>::const_iterator I = BBs.begin(), E = BBs.end();
I != E; ++I) {
BasicBlock *BB = *I;
}
BlocksToNotExtractFile.os().close();
if (BlocksToNotExtractFile.os().has_error()) {
- errs() << "Error writing list of blocks to not extract: " << ErrorInfo
- << "\n";
+ errs() << "Error writing list of blocks to not extract\n";
EmitProgressBitcode(M, "basicblockextractfail", true);
BlocksToNotExtractFile.os().clear_error();
- return 0;
+ return nullptr;
}
BlocksToNotExtractFile.keep();
- std::string uniqueFN = "--extract-blocks-file=" + uniqueFilename.str();
+ std::string uniqueFN = "--extract-blocks-file=";
+ uniqueFN += Filename.str();
const char *ExtraArg = uniqueFN.c_str();
std::vector<std::string> PI;
PI.push_back("extract-blocks");
Module *Ret = runPassesOn(M, PI, false, 1, &ExtraArg);
- uniqueFilename.eraseFromDisk(); // Free disk space
+ sys::fs::remove(Filename.c_str());
- if (Ret == 0) {
+ if (!Ret) {
outs() << "*** Basic Block extraction failed, please report a bug!\n";
EmitProgressBitcode(M, "basicblockextractfail", true);
}