//
// This utility provides a simple wrapper around the LLVM Execution Engines,
// which allow the direct execution of LLVM programs through a Just-In-Time
-// compiler, or through an intepreter if no JIT is available for this platform.
+// compiler, or through an interpreter if no JIT is available for this platform.
//
//===----------------------------------------------------------------------===//
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
- LLVMContext Context;
+ LLVMContext &Context = getGlobalContext();
atexit(do_shutdown); // Call llvm_shutdown() on exit.
+
+ // If we have a native target, initialize it to ensure it is linked in and
+ // usable by the JIT.
+ InitializeNativeTarget();
+
cl::ParseCommandLineOptions(argc, argv,
"llvm interpreter & dynamic compiler\n");
}
if (!MP) {
- std::cerr << argv[0] << ": error loading program '" << InputFile << "': "
- << ErrorMsg << "\n";
+ errs() << argv[0] << ": error loading program '" << InputFile << "': "
+ << ErrorMsg << "\n";
exit(1);
}
Module *Mod = NoLazyCompilation
? MP->materializeModule(&ErrorMsg) : MP->getModule();
if (!Mod) {
- std::cerr << argv[0] << ": bitcode didn't read correctly.\n";
- std::cerr << "Reason: " << ErrorMsg << "\n";
+ errs() << argv[0] << ": bitcode didn't read correctly.\n";
+ errs() << "Reason: " << ErrorMsg << "\n";
exit(1);
}
+ EngineBuilder builder(MP);
+ builder.setErrorStr(&ErrorMsg);
+ builder.setEngineKind(ForceInterpreter
+ ? EngineKind::Interpreter
+ : EngineKind::JIT);
+
// If we are supposed to override the target triple, do so now.
if (!TargetTriple.empty())
Mod->setTargetTriple(TargetTriple);
CodeGenOpt::Level OLvl = CodeGenOpt::Default;
switch (OptLevel) {
default:
- std::cerr << argv[0] << ": invalid optimization level.\n";
+ errs() << argv[0] << ": invalid optimization level.\n";
return 1;
case ' ': break;
case '0': OLvl = CodeGenOpt::None; break;
case '2': OLvl = CodeGenOpt::Default; break;
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
-
- // If we have a native target, initialize it to ensure it is linked in and
- // usable by the JIT.
- InitializeNativeTarget();
-
- EE = ExecutionEngine::create(MP, ForceInterpreter, &ErrorMsg, OLvl);
- if (!EE && !ErrorMsg.empty()) {
- std::cerr << argv[0] << ":error creating EE: " << ErrorMsg << "\n";
+ builder.setOptLevel(OLvl);
+
+ EE = builder.create();
+ if (!EE) {
+ if (!ErrorMsg.empty())
+ errs() << argv[0] << ": error creating EE: " << ErrorMsg << "\n";
+ else
+ errs() << argv[0] << ": unknown error creating EE!\n";
exit(1);
}
EE->RegisterJITEventListener(createMacOSJITEventListener());
+ EE->RegisterJITEventListener(createOProfileJITEventListener());
if (NoLazyCompilation)
EE->DisableLazyCompilation();
//
Function *EntryFn = Mod->getFunction(EntryFunc);
if (!EntryFn) {
- std::cerr << '\'' << EntryFunc << "\' function not found in module.\n";
+ errs() << '\'' << EntryFunc << "\' function not found in module.\n";
return -1;
}
ResultGV.IntVal = APInt(32, Result);
Args.push_back(ResultGV);
EE->runFunction(ExitF, Args);
- std::cerr << "ERROR: exit(" << Result << ") returned!\n";
+ errs() << "ERROR: exit(" << Result << ") returned!\n";
abort();
} else {
- std::cerr << "ERROR: exit defined with wrong prototype!\n";
+ errs() << "ERROR: exit defined with wrong prototype!\n";
abort();
}
}