+// Determine optimization level.
+static cl::opt<char>
+OptLevel("O",
+ cl::desc("Optimization level. [-O0, -O1, -O2, or -O3] "
+ "(default = '-O2')"),
+ cl::Prefix,
+ cl::ZeroOrMore,
+ cl::init(' '));
+
+static cl::opt<std::string>
+TargetTriple("mtriple", cl::desc("Override target triple for module"));
+
+static cl::opt<const TargetMachineRegistry::entry*, false,
+ RegistryParser<TargetMachine> >
+MArch("march", cl::desc("Architecture to generate code for:"));
+
+static cl::opt<std::string>
+MCPU("mcpu",
+ cl::desc("Target a specific cpu type (-mcpu=help for details)"),
+ cl::value_desc("cpu-name"),
+ cl::init(""));
+
+static cl::list<std::string>
+MAttrs("mattr",
+ cl::CommaSeparated,
+ cl::desc("Target specific attributes (-mattr=help for details)"),
+ cl::value_desc("a1,+a2,-a3,..."));
+
+cl::opt<TargetMachine::CodeGenFileType>
+FileType("filetype", cl::init(TargetMachine::AssemblyFile),
+ cl::desc("Choose a file type (not all types are supported by all targets):"),
+ cl::values(
+ clEnumValN(TargetMachine::AssemblyFile, "asm",
+ "Emit an assembly ('.s') file"),
+ clEnumValN(TargetMachine::ObjectFile, "obj",
+ "Emit a native object ('.o') file [experimental]"),
+ clEnumValN(TargetMachine::DynamicLibrary, "dynlib",
+ "Emit a native dynamic library ('.so') file"
+ " [experimental]"),
+ clEnumValEnd));
+
+cl::opt<bool> NoVerify("disable-verify", cl::Hidden,
+ cl::desc("Do not verify input module"));
+
+
+static cl::opt<bool>
+DisableRedZone("disable-red-zone",
+ cl::desc("Do not emit code that uses the red zone."),
+ cl::init(false));